From: Bruce Momjian Date: Thu, 8 Mar 2001 17:00:28 +0000 (+0000) Subject: Add Japanese FAQ> X-Git-Tag: REL9_0_0~21022 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=131e85dd3a781a079cfae686d8b845645d189433;p=pg-rex%2Fsyncrep.git Add Japanese FAQ> --- diff --git a/doc/FAQ_japanese b/doc/FAQ_japanese new file mode 100644 index 0000000000..94766e0610 --- /dev/null +++ b/doc/FAQ_japanese @@ -0,0 +1,1218 @@ + + +PostgreSQL FAQ in Japanese + + + +

+PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä(FAQ)

+

+¸¶Ê¸ºÇ½ª¹¹¿·Æü: Tue Oct 17 00:21:20 EDT 2000 + (¥Õ¥¡¥¤¥ëÆüÉÕ¤Ï 03/02/2001) +

+¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (pgman@candle.pha.pa.us)

+

+¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï +http://www.PostgreSQL.org/ +¤Ç¸«¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ +

+ +¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃÍ­¤Î¼ÁÌä¤Ë¤Ä¤¤¤Æ¤Ï:http://www.PostgreSQL.org/users-lounge/docs/faq.html +
¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ +

+ +

+

+[ÌõÃí¡§
+	(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ­¤·¤Þ¤¹¡£)
+
+	  http://www.PostgreSQL.org/ ¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È http://postgresql.nucba.ac.jp/
+¤Ë¥ê¥À¥¤¥ì¥¯¥È¤µ¤ì¡¢"Not Found" ¤Ë¤Ê¤Ã¤Æ¤·¤Þ¤¦¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾ì¹ç¤Ï¡¢
+		http://www.PostgreSQL.org/index.html
+	¤Ë¥¢¥¯¥»¥¹¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£
+
+
+ÆüËܸìÈǤˤĤ¤¤Æ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¡£
+
+ºÇ½ª¹¹¿·Æü:	2001ǯ03·î03Æü
+Ìõ¼Ô:		·¬Â¼ ½á (Jun Kuwamura <juk@jp.postgresql.org>)
+
+ ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿°Ê²¼¤ÎÊý¡¹¤ò¤Ï¤¸¤á¡¢
+
+		ÅÄÃç Ì­¤µ¤ó(Minoru Tanaka <Tanaka.Minoru@keiken.co.jp>)
+		Àаæ ãÉפµ¤ó(Tatsuo Ishii <t-ishii@sra.co.jp>)
+		óîÆ£ Ãοͤµ¤ó(Tomohito Saitoh <tomos@elelab.nsc.co.jp>)
+		ÇÏ¾ì  È¥¤µ¤ó(Hajime Baba <baba@kusastro.kyoto-u.ac.jp>)
+		²¬ËÜ °ì¹¬¤µ¤ó(Kazuyuki Okamoto <kokamoto@itg.hitachi.co.jp>)
+		¾®¿û ¾¼°ì¤µ¤ó(Shoichi Kosuge <s-kosuge@str.hitachi.co.jp>)
+		»³²¼ µÁÇ·¤µ¤ó(Yoshiyuki Yamashita <dica@eurus.dti.ne.jp>)
+		¶­ ¿¿ÂÀϺ¤µ¤ó(Sintaro Sakai <s_sakai@mxn.mesh.ne.jp>)
+		À¸±Û ¾»¸Ê¤µ¤ó(Masami Ogoshi <ogochan@zetabits.com>)
+		ÀÐÀî ½Ó¹Ô¤µ¤ó(Toshiyuki Ishikawa <tosiyuki@gol.com>)
+		ËÜÅÄ Ìй­¤µ¤ó(Shigehiro Honda <fwif0083@mb.infoweb.ne.jp>)
+
+
+¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêË­ÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¡¢
+ÏÂÌõ¤Î¤­¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§¥¯¥È¡¢
+¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹
+¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë´¶¼Õ¤·¤Þ¤¹¡£
+
+  ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï
+	http://www.jp.postgresql.org/
+	http://www.rccm.co.jp/~juk/pgsql/
+	http://www.sra.co.jp/people/t-ishii/PostgreSQL/
+	http://www.linux.or.jp/JF/
+¤«¤é¤â¤¿¤É¤ì¤Þ¤¹¡£
+
+¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¤Ï(juk@jp.postgresql.org)¤Þ¤Ç¤ª´ó¤»²¼¤µ¤¤¡£
+]
+
+ +

+

+

+ +

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+ +1.1) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡©
+1.2) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©
+1.3) PostgreSQL¤ÎÆ°ºî¤¹¤ëUnix¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡©
+1.4) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡©
+1.5) PostgreSQL¤Ï¤É¤³¤«¤é¼ê¤ËÆþ¤ê¤Þ¤¹¤«¡©
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+ + +

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+ + +

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+ +3.1) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð /usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤­¤Þ¤¹¤«¡©
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+ + +

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+ +

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+ +5.1) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©
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+ +

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+ +

PostgreSQL ¤Ï POSTGRES ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à¤Î²þÎÉÈǤǡ¢¼¡À¤Âå DBMS ¸¦µæÍѤΥץí¥È¥¿¥¤¥×¤Ç¤¹¡£PostgreSQL ¤Ï POSTGRES ¤Î¶¯ÎϤʥǡ¼¥¿¡¦¥â¥Ç¥ë¤ÈË­É٤ʥǡ¼¥¿¡¦¥¿¥¤¥×(·¿)¤òÆâÊñ¤·¤Ä¤Ä¡¢POSTGRES ¤Ç»È¤ï¤ì¤¿ PostQuel Ì䤤¹ç¤ï¤»¸À¸ì¤ò¡¢³ÈÄ¥¤·¤¿ SQL ¤Î¥µ¥Ö¥»¥Ã¥È¤ËÃÖ¤­´¹¤¨¤Æ¤¤¤Þ¤¹¡£PostgreSQL ¤Ï̵ÎÁ¤Ç´°Á´¤Ê¥½¡¼¥¹¤òÍøÍѤǤ­¤Þ¤¹¡£ + +

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+

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+ +

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+    [ÌõÃí¡§
+        ÀµÊ¸¤Ï±Ñ¸ì¤Ç¤¹¡£»²¹Í¤È¤·¤Æ¡¢Ìõʸ¤òÊ»µ­·ÇºÜ¤·¤Þ¤¹¡£
+    ]
+
+

+PostgreSQL Data Base Management System

+ +Portions copyright (c) 1996-2000, PostgreSQL Global Development Group +Portions Copyright (c) 1994-6 Regents of the University of California

+ +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose, without fee, and without a written +agreement is hereby granted, provided that the above copyright notice +and this paragraph and the following two paragraphs appear in all +copies. +

+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY +FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, +INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS +DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF +THE POSSIBILITY OF SUCH DAMAGE. +

+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, +INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER +IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO +OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR +MODIFICATIONS. +

+ +

+    [ÌõÃí¡§
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+
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+	¤»¤ó¡¥
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+
+ +

+

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+ +

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+

1.4) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡©

+ +
+¥¯¥é¥¤¥¢¥ó¥È
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Win32 libpq ¥é¥¤¥Ö¥é¥ê¤È psql ¤òºî¤ë¤¿¤á¤Ë¡¢win31.mak ¤¬ÇÛÉۤ˴ޤޤì¤Æ¤Þ¤¹¡£PostgreSQL¤Ï ODBC ¥¯¥é¥¤¥¢¥ó¥È¤È¤âÄÌ¿®¤Ç¤­¤Þ¤¹¡£ + +

+¥µ¡¼¥Ð
+

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+ + +

+

1.5) PostgreSQL ¤Ï¤É¤³¤«¤é¼ê¤ËÆþ¤ê¤Þ¤¹¤«¡©

+

PostgreSQL ¤Î¸µ¤Î anonymous ftp ¥µ¥¤¥È¤Ç¤¹¡§ + +

+ +

¥ß¥é¡¼¥µ¥¤¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢²æ¡¹¤Î¥á¥¤¥ó Web ¥Ú¡¼¥¸¤ò¤´Í÷²¼¤µ¤¤¡£ + +

+    [ÌõÃí:
+
+	°Ê²¼¤ÏÆüËܤΥߥ顼¥µ¥¤¥È¤Ç¤¹:
+
+       Japan: ftp://mirror.nucba.ac.jp/mirror/postgresql/pub/
+       Japan: ftp://ring.ip-kyoto.ad.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.crl.go.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.saitama-u.ac.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.astem.or.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.exp.fujixerox.co.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.jah.ne.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.etl.go.jp.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.asahi-net.or.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.so-net.ne.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.aist.go.jp/pub/misc/db/postgresql/
+    ]
+
+ +

+ +

1.6) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©

+ +

¼çÍפʥ᡼¥ê¥ó¥°¡¦¥ê¥¹¥È¤Ï: pgsql-general@PostgreSQL.org¤Ç¤¹¡£PostgreSQL ¤Ë´Ø¤¹¤ë¤³¤È¤Ç¤¢¤ì¤ÐµÄÏÀ¤¬¤Ç¤­¤Þ¤¹¡£¤³¤Î¥ê¥¹¥È¤Ø¤Î»²²Ã¤Î¤Ï¡¢ÅŻҥ᡼¥ë¤ÎËÜʸ(Subject ¹Ô¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó)¤Ë¼¡¤Î£²¹Ô¤ò½ñ¤¤¤Æ¡¢ + +

+	subscribe
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+	subscribe
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+ +¤È½ñ¤¤¤Æ pgsql-general-digest-request@PostgreSQL.org ¤ØÅŻҥ᡼¥ë¤òÁ÷¤Ã¤Æ²¼¤µ¤¤¡£ + +

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+

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PostgreSQL ¤Ë¤Ä¤¤¤Æ¤â¤Ã¤È¾Ü¤·¤¯ÃΤꤿ¤±¤ì¤Ð¡¢¼¡¤Î postgreSQL WWW¥Û¡¼¥à¥Ú¡¼¥¸¤«¤é¤¿¤É¤ì¤Þ¤¹¡§ + +

+ http://www.PostgreSQL.org +
+

+ +IRC ¥Á¥ã¥ó¥Í¥ë¤â EFNet ¤Ë¤¢¤ê¤Þ¤¹¡£¤½¤Î¥Á¥ã¥ó¥Í¥ë¤Ï #PostgreSQL ¤Ç¤¹¡£ +unix ¥³¥Þ¥ó¥É¤Çirc -c '#PostgreSQL' "$USER" irc.phoenix.net +¤ò»È¤¤¤Þ¤¹¡£

+ +

+    [ÌõÃí:
+	  1999ǯ7·î23Æü¡¢ÆüËÜPostgreSQL¥æ¡¼¥¶¡¼²ñ(¤Ë¤Û¤ó ¤Ý¤¹¤È¤°¤ì¤¹ ¤æ¡¼¤¶¡¼ ¤«¤¤)¡¢Î¬¾ÎJPUG¤¬ÀßΩ¤µ¤ì¤Þ¤·¤¿¡£
+	JPUG ¤ÏÈó±ÄÍøÁÈ¿¥¤Ç¡¢PostgreSQL¤òÍøÍѤ¹¤ë¿Íã¤ÎÁê¸ß¶¨ÎϤξì¤Ç¤¹¡£
+	Àµ²ñ°÷¤Î²ñÈñ¤Ï̵ÎÁ¤Ç¤¹¤¬¡¢²ñ°÷¤ÎÀѶËŪ¤Ê¹×¸¥¤¬²ñ¤Î±¿±Ä¤ò½õ¤±¤Æ¤¤¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¡¢JPUG¤ÎWeb ¥µ¥¤¥È:
+		http://www.jp.postgresql.org/
+	¤ò¤´Í÷¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£
+	  1990ǯÂåÃ椴¤í¤è¤ê¡¢¥Ý¥¹¥È¥°¥ì¥¹¤ÎÆüËܸì¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤òÀаæ ãÉפµ¤ó¤¬¼çºÅ¤·¤Æ¤¤¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢
+		http://www.sra.co.jp/people/t-ishii/PostgreSQL/ML/info.html
+	¤ò¤´Í÷²¼¤µ¤¤¡£¥¢¡¼¥«¥¤¥Ö¤ò¡¢¤¤¤ï¤­¤ê¤µ¤ó¤Îpgsql-jp ML¸¡º÷¥·¥¹¥Æ¥à
+		http://datula.mio.org/~iwakiri/pgsql_jp/
+	¤Ç¸¡º÷¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£
+	]
+
+ + +

¾¦ÍÑ¥µ¥Ý¡¼¥È²ñ¼Ò¤Î¥ê¥¹¥È¤Ïhttp://www.postgresql.org/users-lounge/commercial-support.html¤Ë¤¢¤ê¤Þ¤¹¡£ + +

+    [ÌõÃí:
+	 ÆüËܤǤϡ¢SRA Inc. ¥ª¡¼¥×¥ó¥·¥¹¥Æ¥à»ö¶ÈÉô ¤Ë¤Æ¾¦ÍÑ¥µ¥Ý¡¼¥È¤¬¹Ô¤Ê¤ï¤ì¤Æ¤¤¤Þ¤¹¡£
+	¥ß¥é¥¯¥ë¡¦¥ê¥Ê¥Ã¥¯¥¹³ô¼°²ñ¼Ò ¤Ç "Miracle Linux for PostgreSQL" ¤ÎÈÎÇä¤È¥µ¥Ý¡¼¥È¤¬
+	³«»Ï¤µ¤ì¤Þ¤·¤¿¡£
+    ]
+
+ +

+ +

1.7) ºÇ¿·ÈǤϲ¿¤Ç¤¹¤«

+ +

PostgreSQL ¤ÎºÇ¿·ÈǤϥС¼¥¸¥ç¥ó 7.0.3 ¤Ç¤¹¡£ +

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+ +

1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©

+ +

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+ +

+    [ÌõÃí:
+	ÆüËܥݥ¹¥È¥°¥ì¥¹¥æ¡¼¥¶¡¼²ñ¤ÎPostgreSQL BookËÝÌõʬ²Ê²ñ¤Ç¡¢
+	ËÝÌõºî¶È¤¬¿Ê¹ÔÃæ¡£
+    ]
+
+ +

psql ¤â¡¢·¿¡¢±é»»»Ò¡¢´Ø¿ô¡¢½¸Ì󡢤½¤Î¾¤Î¾ðÊó¤ò¤ª¸«¤»¤¹¤ë¡¢¤¤¤¯¤Ä¤«¤ÎÁÇÀ²¤é¤·¤¤ \d ¥³¥Þ¥ó¥É¤ò»ý¤Á¤Þ¤¹¡£ + +

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+

1.9) ´ûÃΤΥХ°¤ä̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡© +

+ +PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿SQL-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£ +²æ¡¹¤Î¥Ú¡¼¥¸¤Î + +TODO ¥ê¥¹¥È¤Ë¡¢´ûÃΤΥХ°¤ä·çÍǽ¤ä¾­Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ­½Ò¤¬¤¢¤ê¤Þ¤¹¡£ + +

+

1.10) SQL ¤Ï¤É¤Î¤è¤¦¤Ë³Ø¤Ù¤ÐÎɤ¤¤Ç¤¹¤«¡©

+

+ +http://www.PostgreSQL.org/docs/awbook.html +¤Ë¤¢¤ëPostgreSQLËÜ¤Ç SQL ¤ò¶µ¤¨¤Æ¤¤¤Þ¤¹¡£ + +

+ÁÇÀ²¤é¤·¤¤³Ø½¬½ñ¤Ë¤Ï¡¢ + +http://w3.one.net/~jhoffman/sqltut.htm ¤È + +http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM.

+¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾¤Ë¡¢ +"Teach Yourself SQL in 21 Days, Second Edition" ¤¬¡¢ + +http://members.tripod.com/er4ebus/sql/index.htm +¤Ë¤¢¤ê¤Þ¤¹¡£ +

+¿¤¯¤Î¥æ¡¼¥¶¤Ë¡¢ +The Practical SQL Handbook, Bowman Judith S. et al., Addison-Wesley +¤¬¹¥É¾¤Ç¤¹¡£ +¤½¤Î¾¤Ë¡¢The Complete Reference SQL, Groff et al., McGraw-Hill +¤Î¤è¤¦¤Ê¤Î¤â¤¢¤ê¤Þ¤¹¡£ +

+

+    [ÌõÃí:
+	 ÀаæãÉ×»á¤Ë¤è¤ëÆüËܸì¤Î»²¹Íʸ¸¥¤Î¾Ò²ð¥Ú¡¼¥¸
+		http://www.SRA.co.jp/people/t-ishii/PostgreSQL/doc-jp/index.html
+	¤¬¤¢¤ê¤Þ¤¹¡£
+	 ¶áƣľʸ»á¤Î¡Ö½é¿´¼Ô¸þ¤Î£Ä£ÂÀß·×ÆþÌ硦£Ó£Ñ£ÌÆþÌ绲¹Í½ñ¾Ò²ð¡×¤Î¥³¡¼¥Ê¡¼
+		http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html
+	¤¬¤¢¤ê¤Þ¤¹¡£
+	 ËÙÅÄÎѱѻá¤Î¡ÖPostgreSQLÆüËܸì¥Þ¥Ë¥å¥¢¥ë¡×
+		http://www.net-newbie.com/
+	¤Ç¤Ï¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Î¸¡º÷¤¬¤Ç¤­¤Þ¤¹¡£
+	 ´Ý»³ÉÔÆóÉ×»á¤ÎUNIX ¥Ç¡¼¥¿¥Ù¡¼¥¹ÆþÌç
+		http://www.wakhok.ac.jp/DB/DB.html
+	¤Ï¥ª¥ó¥é¥¤¥ó¤ÇÆɤळ¤È¤¬¤Ç¤­¤Þ¤¹¡£
+    ]
+
+ +

1.11) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡© +

+ +Âбþ¤·¤Æ¤Þ¤¹¡£À¾Îñ2000ǯ¤è¤ê¸å¤ÎÆüÉդ⡢µª¸µÁ°2000ǯ¤è¤êÁ°¤ÎÆüÉդ⡢´Êñ¤Ë°·¤¨¤Þ¤¹¡£ +

+

1.12) ³«È¯¥Á¡¼¥à¤Ë¤Ï¤É¤Î¤è¤¦¤Ë»²²Ã¤·¤Þ¤¹¤«¡©
+

+ +¤Þ¤ººÇ½é(£±ÈÖÌÜ)¤Ë¡¢ºÇ¿·¤Î¥½¡¼¥¹¤ò¥À¥¦¥ó¥í¡¼¥É¤·¡¢²æ¡¹¤Î Web ¥µ¥¤¥È¤«ÇÛÉۤ˴ޤޤì¤Æ¤¤¤ë +PostgreSQL Developers¤Îʸ½ñ¤òÆɤߤޤ¹¡£ +£²ÈÖÌܤˡ¢pgsql-hackers ¤È pgsql-patches ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ò¹ØÆÉ(subscribe)¤·¤Þ¤¹¡£ +£³ÈÖÌܤˡ¢¹âÉʼÁ¤Î¥Ñ¥Ã¥Á¤òpgsql-patches¤Ëȯ¿®¤·¤Þ¤¹¡£ + +¤ª¤è¤½½½¿Í¤Á¤ç¤Ã¤È¤Î¿Í㤬¡¢PostgreSQL CVS¥¢¡¼¥«¥¤¥Ö¤Ë¥³¥ß¥Ã¥È¤¹¤ë¸¢¸Â¤ò»ý¤Ã¤Æ¤¤¤Þ¤¹¡£ +¤½¤Î¤½¤ì¤¾¤ì¤Î¿Í㤬Âô»³¤Î¹âÉʼÁ¤Ê¥Ñ¥Ã¥Á¤òȯ¿®¤¹¤ë¤Î¤Ç¡¢¸½ºß¥³¥ß¥Ã¥¿¡¼¤È¤Ê¤Ã¤Æ¤¤¤ë¿Íã¤Ï¤½¤ì¤ËÄɤ¤ÉÕ¤¯¤Î¤¬ÂçÊѤǤ¹¤¬¡¢²æ¡¹¤ÏÈà¤é¤¬¥³¥ß¥Ã¥È¤·¤¿¥Ñ¥Ã¥Á¤Ï¹âÉʼÁ¤Ç¤¢¤ë¤È³Î¿®¤·¤Æ¤¤¤Þ¤¹¡£ +

+

1.13) ¥Ð¥°¥ì¥Ý¡¼¥È¤Ï¤É¤Î¤è¤¦¤Ëȯ¿®¤·¤Þ¤¹¤«¡© +

+ +

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+

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+ +¥½¥Õ¥È¥¦¥§¥¢¤ò·×¤ëÊýË¡¤Ë¤Ï¤¤¤¯¤Ä¤«¤¢¤ê¤Þ¤¹¡£µ¡Ç½¤ÈÀ­Ç½¤È¿®ÍêÀ­¤È¥µ¥Ý¡¼¥È¤È²Á³Ê¤Ç¤¹¡£ + +

+
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+ +

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+¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祫¥é¥à¿ô?     ¥«¥é¥à¤Î·¿¤Ë¤è¤ê250-1600
+¥Æ¡¼¥Ö¥ëÆâ¤Ç¤ÎºÇÂ祤¥ó¥Ç¥¯¥¹¿ô? À©¸Â̵¤·
+
+ +

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+

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+ +PostgreSQL ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤ËÊݸ¤¹¤ë¤Ë¤Ï¡¢ÉáÄ̤Υե¡¥¤¥ë¤ÎÌó6.5ÇܤΥǥ£¥¹¥¯ÍÆÎ̤òɬÍפȤ·¤Þ¤¹¡£

+

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+    36 bytes: ³Æ¹Ô¤Î¥Ø¥Ã¥À(³µ»»)
+   + 8 bytes: ³Æ4¥Ð¥¤¥È¤ÎÆó¤Ä¤ÎÀ°¿ô(int)¥Õ¥£¡¼¥ë¥É
+   + 4 bytes: ¥Ú¡¼¥¸¾å¤Î¥¿¥Ã¥×¥ë¤Ø¤Î¥Ý¥¤¥ó¥¿
+   ----------------------------------------
+   48 bytes per row
+
+   PostgreSQL ¤Î¥Ç¡¼¥¿¥Ú¡¼¥¸¥µ¥¤¥º¤Ï 8192¥Ð¥¤¥È(8KB)¤Ê¤Î¤Ç:
+
+   8192 bytes per page
+   -------------------   =  171 rows per database page (ÀÚ¤ê¾å¤²)
+     48 bytes per row
+
+   300000 data rows
+   --------------------  =  1755 database pages
+      171 rows per page
+ 
+1755 database pages * 8192 bytes per page  =  14,376,960 bytes (14MB)
+
+ +

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+

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+ +

psql ¤Ë¤Ï¤¤¤í¤¤¤í¤Ê¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤¬¤¢¤ê¡¢¤³¤¦¤·¤¿¾ðÊó¤òɽ¼¨¤·¤Þ¤¹¡£¥Ð¥Ã¥¯¥¹¥é¥Ã¥·¥å¡¦¥³¥Þ¥ó¥É¤Î¼ïÎà¤ò¸«¤ë¤Ë¤Ï \? ¤ò»È¤Ã¤Æ²¼¤µ¤¤¡£ +

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+

4.9) Ì䤤¹ç¤ï¤»¤¬ÃÙ¤¤¤¦¤¨¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤Ã¤Æ¤¤¤ëÍͻҤ¬¤¢¤ê¤Þ¤»¤ó¡£¤Ê¤¼¤Ç¤¹¤«¡© +

+ +

PostgreSQL ¤ÏÅý·×¾ðÊó¤ò¼«Æ°Åª¤Ë¤ÏÊݼ餷¤Þ¤»¤ó¡£Åý·×¾ðÊó¤ò¹¹¿·¤¹¤ë¤¿¤á¤Ë¤Ï¡¢VACUUM ¤òÁö¤é¤»¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£Åý·×¾ðÊ󤬹¹¿·¤µ¤ì¤¿¸å¤Ï¡¢¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¥Æ¡¼¥Ö¥ë¤Ë²¿¹Ô¤¢¤ë¤«¤òÃΤäơ¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤­¤«¤Î·èÄê¤ò¤è¤êÎɤ¯²¼¤·¤Þ¤¹¡£¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤¬¾®¤µ¤¯¤ÆϢ³¥¹¥­¥ã¥ó¤ÎÊý¤¬Â®¤¤¤Ç¤¢¤í¤¦¾ì¹ç¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤³¤È¤Ë¤´Ãí°Õ²¼¤µ¤¤¡£ + +

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¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï ORDER BY Áàºî¤Î¤¿¤á¤Ë¤ÏÉáÄ̤ϻȤï¤ì¤Þ¤»¤ó¡£¤¹¤Ê¤ï¤Á¡¢½ç¼¡¥¹¥­¥ã¥ó¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢¥Ç¥£¥¹¥¯¥¢¥¯¥»¥¹¤¬¤è¤ê¾¯¤Ê¤¯¤ÆºÑ¤à¤Î¤Ç¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÎÁ´·ï¤ò¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥­¥ã¥ó¤¹¤ë¤è¤ê¤â¹â®¤Ç¤¹¡£ + +

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+

4.10) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +

+ +

¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç EXPLAIN ¤ò¸«¤Æ²¼¤µ¤¤¡£ + +

+

4.11) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡©

+ +

R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¶õ´ÖŪ¤Ê¥Ç¡¼¥¿¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òÉÕ¤±¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£¥Ï¥Ã¥·¥å¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤ÏÈϰϤθ¡º÷¤¬¤Ç¤­¤Þ¤»¤ó¡£¤Þ¤¿¡¢B-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï¡¢£±¼¡¸µ¤Ç¤·¤«ÈϰϤθ¡º÷¤¬¤Ç¤­¤Þ¤»¤ó¡£R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤¢¤ì¤Ð¿¼¡¸µ¤Î¥Ç¡¼¥¿¤ò°·¤¨¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢¤â¤· R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò point ·¿¤Î°À­¤ËÉÕ¤±¤ë¤³¤È¤¬¤Ç¤­¤ë¤È¤¹¤ë¤È¥·¥¹¥Æ¥à¤Ï¡¢¡ÖĹÊý·Á¤Ë°Ï¤Þ¤ì¤¿ÅÀ¤ò¤¹¤Ù¤ÆÁªÂò¤¹¤ë¡×¤È¤¤¤¦¤è¤¦¤ÊÌ䤤¹ç¤ï¤»¤Ë¡¢¤è¤ê¸úΨÎɤ¯Åú¤¨¤é¤ì¤Þ¤¹¡£ + +

R-Tree ¤ÎÀ߷פθ¶Åµ¤È¤Ê¤ë¸¢°Ò¤¢¤ëÏÀʸ¤Ï: + +

Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." +Proc of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57. + +

¤³¤ÎÏÀʸ¤Ï¡¢Stonebraker ¶µ¼ø¤Î "Readings in Database Systems" +¤Ç¤â¼è¤ê¾å¤²¤é¤ì¤Æ¤¤¤Þ¤¹¡£ + +

+

+    [ÌõÃí¡§
+	  ÆàÎÉÀèüÂç¤ÎÀÐÀî²Â¼£¤µ¤ó¤è¤êR-Tree´Ø·¸¤Îʸ¸¥¤ò¾Ò²ð¤·¤Æ夭¤Þ¤·¤¿¡£
+	ÆüËܸì Postgres ML ¤Î¥¢¡¼¥«¥¤¥Ö¤«¤é "Subject: [postgres95 801] spatial data structures" 
+		http://www.sra.co.jp/people/t-ishii/PostgreSQL/mhonarc/pgsql-jp/1996Oct/msg00007.html
+	¤ò¤´Í÷²¼¤µ¤¤¡£
+    ]
+
+ +

Áȹþ¤ß¤Î R-Tree ¤Ç¥Ý¥ê¥´¥ó¤ä¥Ü¥Ã¥¯¥¹¤òÁàºî¤Ç¤­¤Þ¤¹¡£ÍýÏÀŪ¤Ë¤ÏR-Tree ¤Ï¤â¤Ã¤È¹â¤¤¼¡¸µ¤òÁàºî¤¹¤ë¤è¤¦¤Ë¤â³ÈÄ¥¤Ç¤­¤Þ¤¹¡£¼Â¼ÁŪ¤Ë¤Ï¡¢R-Tree ¤Î³ÈÄ¥¤Ë¤Ï¤Á¤ç¤Ã¤È¤·¤¿ºî¶È¤¬É¬ÍפǤ·¤Æ¡¢¸½ºß¡¢²æ¡¹¤Ï¤½¤ì¤ò¤É¤Î¤è¤¦¤Ë¤¹¤ë¤«¤Ë¤Ä¤¤¤Æ¤Îʸ½ñ¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£ + +

+

+    [ÌõÃí¡§
+	  ¥¤¥ó¥¿¡¼¥¦¥£¥º¤ÎÊÒ²¬¤µ¤ó¤¬Â¿¼¡¸µ´ö²¿¥ª¥Ö¥¸¥§¥¯¥È¤Ø¤Î³ÈÄ¥ºî¶ÈÃæ¤Ç¤¹¡£¾Ü¤·¤¯¤Ï¡¢
+	http://www.interwiz.koganei.tokyo.jp/software/geometric/index.html
+	¤ò¤´Í÷¤¯¤À¤µ¤¤¡£
+    ]
+
+ + +

+

4.12) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡© +

+ +

GEQO ¥â¥¸¥å¡¼¥ë¤Ï¡¢Âô»³¤Î¥Æ¡¼¥Ö¥ë¤ò·ë¹ç¤¹¤ë¤È¤­¤Ë¡¢°äÅÁŪ¥¢¥ë¥´¥ê¥º¥à(GA)¤ÇÌä¹ç¤ï¤»¤ò¹â®²½¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤·¤é¤ß¤Ä¤Ö¤·¤Ëõº÷¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤â¡¢Â礭¤Ê·ë¹ç(join queries)¤ò°·¤¦¤³¤È¤¬¤Ç¤­¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + +

+

4.13) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡© +

+ +

+~±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢~* ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ PostgreSQL 7.1 °Ê¹ß¤Ç¤Ï¡¢Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ LIKE ±é»»»Ò¤ò ILIKE ¤È¤¤¤¤¤Þ¤¹¡£ + + +

+	WHERE lower(textfield) LIKE lower(pattern)
+
+ + +

+

4.14) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +

+ +

IS NULL¤Î¥«¥é¥à¤ò IS NOT NULL ¤Ç»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ + +

+

4.15) ÍÍ¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© +

+ +
+Type            Internal Name   Notes
+--------------------------------------------------
+"char"          char            1 character
+CHAR(#)         bpchar          »ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë
+VARCHAR(#)      varchar         Ťµ¤Î¾å¸Â¤Î̵¤¤¥Æ¥­¥¹¥È
+TEXT            text            Ťµ¤ÎÀ©¸Â¤ÏºÇÂç¹ÔŤˤè¤ë
+BYTEA           bytea           ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó
+
+ +

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+

4.16.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© +

+ +

PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + +

+	CREATE TABLE person ( 
+		id   SERIAL, 
+		name TEXT 
+	);
+
+¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: +
+	CREATE SEQUENCE person_id_seq;
+	CREATE TABLE person ( 
+		id   INT4 NOT NULL DEFAULT nextval('person_id_seq'),
+		name TEXT 
+	);
+	CREATE UNIQUE INDEX person_id_key ON person ( id );
+
+ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò¤´Í÷²¼¤µ¤¤¡£ +

¤Þ¤¿¡¢³Æ¹Ô¤ÎOID¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¤â¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¤ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¤Ï¡¢OID¤ò²¹Â¸¤¹¤ë¤¿¤á¤Ëpg_dump ¤Ç -o¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢COPY WITH OIDS¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ + + Bruce Momjian ¤Î(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î Numbering Rows¤Î¾Ï¤Ë¤¢¤ê¤¢¤Þ¤¹¡£ + + +

4.16.2) SERIAL¥¤¥ó¥µ¡¼¥È¤ÎÃͤϤɤ¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© +

+ + ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ÇÁÞÆþ¤¹¤ëÁ°¤Ë(before) SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤ÎSERIALÃͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤·¤ç¤¦¡£ +4.16.1¤ÎÎã¤Ç»È¤Ã¤¿¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ + +

+	$newSerialID = nextval('person_id_seq');
+	INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
+
+ +¤½¤¦¤·¤Æ¡¢$newSerialID ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢person ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¸°(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table ¤È serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIALÎó¤Î̾Á°¤Ç¤¹¡£ +

+ +¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿SERIALÃͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿¸å¤Ç(after)¡¢ currval() ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + +

+	INSERT INTO person (name) VALUES ('Blaise Pascal');
+	$newID = currval('person_id_seq');
+
+ +ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢¤³¤ì¤ÏºÇ¤â°Ü¿¢À­¤ÎÄ㤤¤ä¤êÊý¤Ç¤·¤ç¤¦¡£Perl¤ÎDBI¤Ç Edmund Mergl ¤Î DBD::Pg ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤¹¡£ + +

+

4.16.3) ¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂÖ¤òÈò¤±¤ë¤¿¤á¤Ë¤Ï¡¢currval() ¤È nextval() ¤Ï»È¤ï¤Ê¤¤¤Û¤¦¤¬¤è¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© +

+ +¤¢¤ê¤Þ¤»¤ó¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤Ç½èÍý¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ + + +

+

4.17) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡© +

+ +

OID ¤È¤Ï°ì°Õ¤Î¹Ô ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¹Ô¤Ï°ì°Õ¤Î OID ¤òÆÀ¤Þ¤¹¡£initdb ¤Ç(backend/access/transam.h ¤«¤é)ȯÀ¸¤µ¤ì¤ë OID ¤Ï¤¹¤Ù¤Æ 16384¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£initdb ¸å¤Î¤¹¤Ù¤Æ¤Î OID (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î OID ¤Ï¥Æ¡¼¥Ö¥ëÆâ¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL ¤Î¤½¤Î¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂÎÆâ¤Ç°ì°Õ¤Ç¤¢¤ê¤Þ¤¹¡£ + +

PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë´Ö¤Î¹Ô¤ò·ë¤Ó¤Ä¤±¤ë¤¿¤á¤Ë¡¢¤½¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ëÆâ¤Ë OID ¤ò»È¤¤¤Þ¤¹¡£¤³¤Î OID ¤ÏÆÃÄê¤Î¥æ¡¼¥¶¤Î¹Ô¤ò¼±Ê̤¹¤ë¤¿¤á¤ä·ë¹ç¤ÎÃæ¤Ç»È¤ï¤ì¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£OID ¤ÎÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¤Ï OID ·¿¤òÎó¤Ë»È¤¦¤³¤È¤ò¾©¤á¤Þ¤¹¡£¤è¤ê®¤¯¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë OID ¥Õ¥£¡¼¥ë¥É¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ + +

OID ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¹Ô¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£OID ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤â¤·¤¯¤Ï¸µ¤Î OID ¤Ç¥Æ¡¼¥Ö¥ë¤ò¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤½¤¦¤Ç¤­¤Ê¤¤Íýͳ¤Ï¤¢¤ê¤Þ¤»¤ó¡£ + +

+        CREATE TABLE new_table(old_oid oid, mycol int);
+        SELECT old_oid, mycol INTO new FROM old;
+        COPY new TO '/tmp/pgtable';
+        DELETE FROM new;
+        COPY new WITH OIDS FROM '/tmp/pgtable';
+
+
+ +

OID ¤Ï¡¢4¥Ð¥¤¥È¤ÎÀ°¿ô¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢40²¯¤ò±Û¤¨¤ë¤È°î¤ì¤Æ¤·¤Þ¤¦¤Ç¤·¤ç¤¦¡£Ã¯¤â¤³¤ì¤¬µ¯¤­¤¿¤ÈÊó¹ð¤·¤Æ¤¯¤ë¿Í¤Ï¤¤¤Þ¤»¤ó¤Ç¤·¤¿¤¬¡¢¤½¤¦¤Ê¤ëÁ°¤Ë¤³¤ÎÀ©¸Â¤ò¼è¤ê½ü¤¯¤³¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£ + +

TID ¤ÏÆÃÄê¤ÎʪÍý¹Ô¤ò¤½¤Î¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥ÈÃͤǼ±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£TID ¤Ï¹Ô¤¬½¤Àµ¤µ¤ì¤¿¤êºÆ¥í¡¼¥É¤µ¤ì¤ë¤ÈÊѤï¤ê¤Þ¤¹¡£¤½¤ì¤é¤Î TID ¤Ï¡¢ÊªÍý¹Ô¤ò»Ø¤¹¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹µ­ºÜ¤Ç»È¤ï¤ì¤Þ¤¹¡£ + +

+

4.18) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡© +

+ +

¤¤¤¯¤Ä¤«¤Î¥½¡¼¥¹¥³¡¼¥É¤ä¸Å¤¤Ê¸½ñ¤ÎÃæ¤Ë¤Ï¡¢¤½¤ì¤¾¤ÎÀìÌçʬÌî¤ÎÃæ¤Ç¤â¤Ã¤È°ìÈÌŪ¤Ë»È¤ï¤ì¤ëÀìÌçÍѸ줬»È¤ï¤ì¤Æ¤¤¤Þ¤¹¡£ + +

+

°ìÈÌŪ¤Ê¥Ç¡¼¥¿¥Ù¡¼¥¹ÍѸì¤Î¥ê¥¹¥È¤Ï¡§ +http://www.comptechnews.com/~reaster/dbdesign.html +¤Ç¸«¤Ä¤±¤é¤ì¤Þ¤¹¡£ + +

+

4.19) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +

+

+¥·¥¹¥Æ¥à¤Î²¾ÁÛ¥á¥â¥ê¡¼¤òÁ´¤Æ»È¤¤²Ì¤¿¤·¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë²ÄǽÀ­¤¬¤¢¤ë¤«¡¢¤¢¤ë¤¤¤Ï +¥«¡¼¥Í¥ë¤¬¤¢¤ë¥ê¥½¡¼¥¹¤Ë¤Ä¤¤¤ÆÄ㤤À©¸ÂÃͤò»ý¤Ã¤Æ¤¤¤ë²ÄǽÀ­¤¬¤¢¤ê¤Þ¤¹¡£ +postmaster ¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡§ + +

+	ulimit -d 262144
+	limit datasize 256m
+
+ +

+¥·¥§¥ë¤Ë¤è¤Ã¤Æ¡¢¤É¤Á¤é¤«¤Ò¤È¤Ä¤¬À®¸ù¤¹¤ë¤Ç¤·¤ç¤¦¤¬¡¢¤³¤ì¤Ï¥×¥í¥»¥¹¤Î¥Ç¡¼¥¿¥»¥°¥á¥ó¥ÈÀ©¸Â¤ò¤è¤ê¹â¤¯ÀßÄꤷ¡¢¤¿¤Ö¤óÌ䤤¹ç¤ï¤»¤¬´°·ë¤¹¤ë¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£¤³¤Î¥³¥Þ¥ó¥É¤Ï¸½¹Ô¤Î¥×¥í¥»¥¹¤È¡¢¤³¤Î¥³¥Þ¥ó¥É¤òÁö¤é¤»¤¿¸å¤Ëºî¤é¤ì¤ëÁ´¤Æ¤Î¥µ¥Ö¥×¥í¥»¥¹¤Ë¤Ä¤¤¤ÆŬÍѤµ¤ì¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤¬¤È¤Æ¤â¿¤¯¤Î¥Ç¡¼¥¿¤òÊÖ¤¹¤¿¤á¤ËSQL ¥¯¥é¥¤¥¢¥ó¥È¤ÇÌäÂ꤬³¤¤¤Æ¤¤¤ë¤Î¤Ç¤¢¤ì¤Ð¡¢¥¯¥é¥¤¥¢¥ó¥È¤ò³«»Ï¤¹¤ëÁ°¤Ë¤³¤ì¤ò»î¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£ + +

+

4.20) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©
+

+

+psql ¤«¤é select version(); ¤ò¥¿¥¤¥×¤·¤Þ¤¹¡£ +

+ + +

4.21) ¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Çinvalid large obj descriptor ¤ò¼õ¤±¼è¤ê¤Þ¤·¤¿¡£¤Ê¤¼¤Ç¤·¤ç¤¦¤«¡© +

+ +

¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥ÈÁàºî¤ò¤¹¤ë¤È¤­¤Ï¡¢Á°¸å¤ËBEGIN WORK¤ÈCOMMIT¤òÉÕ¤±¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£¤¹¤Ê¤ï¤Á¡¢lo_open ... lo_close¤ò¤Ï¤µ¤ß¹þ¤ß¤Þ¤¹¡£ + +

¸½ºß¤Ï¡¢PostgreSQL¤Î¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤Î¥³¥ß¥Ã¥È»þ¤Ë¥é¡¼¥¸¡¦¥ª¥Ö¥¸¥§¥¯¥È¡¦¥Ï¥ó¥É¥ë¤òÊĤ¸¤ë¤³¤È¤Ë¤è¤ê¡¢lo_open¥³¥Þ¥ó¥É¤¬´°Î»¤·¤¿Ä¾¸å¤Ë¶¯À©Åª¤Ë¥ë¡¼¥ë¤ò¼Â¹Ô¤·¤Þ¤¹¡£¤³¤Î¤¿¤á¡¢ºÇ½é¤Ë¥Ï¥ó¥É¥ë¤ËÂФ·¤Æ²¿¤«¤ò¤·¤è¤¦¤È¤¹¤ë¤È¡¢invalid large obj descriptor(¥é¡¼¥¸¥ª¥Ö¥¸¥§¥¯¥È¤Îµ­½Ò»Ò¤¬ÉÔÀµ)¤È¤Ê¤ê¤Þ¤¹¡£¤½¤ì¤Ç¡¢¤â¤·¡¢¥È¥é¥ó¥¶¥¯¥·¥ç¥ó¤ò»È¤¦¤Î¤ò˺¤ì¤ë¤È¡¢¡Ê¾¯¤Ê¤¯¤È¤â¤Û¤È¤ó¤É¤Î»þ´Ö¡ËƯ¤¤¤Æ¤¤¤¿¥³¡¼¥É¤¬¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò½Ð¤¹¤Î¤Ç¤¹¡£ + +

¤â¤·¡¢ODBC¤Î¤è¤¦¤Ê¥¯¥é¥¤¥¢¥ó¥È¥¤¥ó¥¿¡¼¥Õ¥§¡¼¥¹¤ò¤ª»È¤¤¤Ê¤é¡¢auto-commit off¤òÀßÄꤹ¤ëɬÍפ¬¤¢¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£ +

+ + +

4.22) ¸½ºß¤Î»þ¹ï¤¬¥Ç¥Õ¥©¥ë¥È¤È¤Ê¤ë¤è¤¦¤ÊÎó¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡©

+ +

now()¤ò»È¤¤¤Þ¤¹: +

+	CREATE TABLE test (x int, modtime timestamp DEFAULT now() );
+
+

+ + +

4.23) ¤Ê¤¼¡¢IN¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡© +

+

+¸½ºß¡¢³°ÉôÌ䤤¹ç¤ï¤»¤Î³Æ¹Ô¤Ë¤Ä¤¤¤ÆÉûÌ䤤¹ç¤ï¤»¤Î·ë²Ì¤ò½çÈ֤˥¹¥­¥ã¥ó¤¹¤ë¤³¤È¤Ë¤è¤ê¡¢ÉûÌ䤤¹ç¤ï¤»¤ò³°ÉôÌ䤤¹ç¤ï¤»¤Ë·ë¹ç¤·¤Æ¤¤¤Þ¤¹¡£ÅöÌ̤ÏIN¤òEXISTS¤ÇÃÖ¤­´¹¤¨¤ë¤³¤È¤Ç¤¹¡§ +

+	SELECT *
+	FROM tab
+	WHERE col1 IN (SELECT col2 FROM TAB2)
+
+¤ò¡¢ÃÖ¤­´¹¤¨¤Æ¡§ +
+	SELECT *
+	FROM tab
+	WHERE EXISTS (SELECT col2 FROM TAB2 WHERE col1 = col2)
+
+¤È¤·¤Þ¤¹¡£ +¤³¤ÎÀ©¸Â¤Ï¾­Íè¤Î¥ê¥ê¡¼¥¹¤Çľ¤·¤¿¤¤¤È»×¤Ã¤Æ¤¤¤Þ¤¹¡£ +

+ +

4.24) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?

+

+PostgreSQL 7.1 °Ê¹ß¤Ç¤ÏSQLɸ½à¹½Ê¸¤ò»È¤¦³°Éô·ë¹ç(¥¢¥¦¥¿¡¼¥¸¥ç¥¤¥ó)¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£¤³¤³¤Ë¡¢ÎãÂ꤬2¤Ä¤¢¤ê¤Þ¤¹¡£ + +

 SELECT *
+ FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);
+¤¢¤ë¤¤¤Ï +
 SELECT *
+ FROM t1 LEFT OUTER JOIN t2 USING (col);
+ +¤³¤ì¤é¤Î¾ÝħŪ¤ÊÌ䤤¹ç¤ï¤»¤Ç¤Ï t1.col ¤ò t2.col ¤È·ë¹ç¤·¤Æ¡¢t1 ¤Î +·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¹Ô(t2 ¤È°ìÃפ·¤Ê¤«¤Ã¤¿¹Ô)¤âÊÖ¤·¤Æ¤¤¤Þ¤¹¡£RIGHT ·ë¹ç¤Ï t2 ¤Î·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¹Ô¤ò²Ã¤¨¤ë¤Ç¤·¤ç¤¦¡£FULL ·ë¹ç¤Ï¡¢°ìÃפ·¤¿¹Ô¤Ë t1 ¤È t2 ¤«¤é¤Ï·ë¹ç¤µ¤ì¤Ê¤«¤Ã¤¿¹Ô¤òÊÖ¤¹¤Ç¤·¤ç¤¦¡£OUTER ¤È¤¤¤¦¸ÀÍդϥª¥×¥·¥ç¥ó¤Ç LEFT, RIGHT, ¤Þ¤¿¤Ï FULL ¤Ê¤É¤Î·ë¹ç¤ò²¾Äꤵ¤ì¤Æ¤¤¤Þ¤¹¡£ + + + + + + + + + ++These identical queries join t1.col to t2.col, and also return any unjoined ++rows in t1 (those with no match in t2). A RIGHT join ++would add unjoined rows of t2. A FULL join would return ++the matched rows plus all unjoined rows from t1 and t2. The word OUTER ++is optional and is assumed in LEFT, RIGHT, ++and FULL joins. Ordinary joins are called INNER ++joins. + + +°ÊÁ°¤Î¥ê¥ê¡¼¥¹¤Ç¤Ï³°Éô·ë¹ç(outer join)¤òUNION ¤È NOT IN ¤ò»È¤Ã¤Æ¥·¥ß¥å¥ì¡¼¥È¤Ç¤­¤Þ¤¹¡£ +¤¿¤È¤¨¤Ð¡¢tab1 ¤È tab2 ¤ò·ë¹ç¤¹¤ë¤È¤­¤Ï¡¢¼¡¤ÎÌ䤤¹ç¤ï¤»¤ÇÆó¤Ä¤Î¥Æ¡¼¥Ö¥ë¤ò³°Éô·ë¹ç¤·¤Þ¤¹¡£ + +
+	SELECT tab1.col1, tab2.col2
+	FROM tab1, tab2
+	WHERE tab1.col1 = tab2.col1
+	UNION ALL
+	SELECT tab1.col1, NULL
+	FROM tab1
+	WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)
+	ORDER BY col1
+
+ + +

+

+

PostgreSQL¤Î³ÈÄ¥¤Ë¤Ä¤¤¤Æ¤Î¼ÁÌä

+

+ +

5.1) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +

+ +

ÌäÂê¤Ï¿§¡¹¤È¹Í¤¨¤é¤ì¤Þ¤¹¡£¤Þ¤ººÇ½é¤Ë¡¢ºîÀ®¤·¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤òñÆȤΥƥ¹¥È¥×¥í¥°¥é¥à¤Ë¤·¤Æ»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ + + +

+

5.2) PostgreSQL ÍѤ˽ñ¤¤¤¿¿è¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤Ï¡¢¤É¤¦¤¹¤ì¤Ð´ó£¤Ç¤­¤Þ¤¹¤«¡© +

+ +

³§¤µ¤ó¤Î¹Ô¤Ê¤Ã¤¿³ÈÄ¥¤ò¡¢pgsql-hackers ¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤ËÁ÷¤Ã¤Æ¤¯¤À¤µ¤¤¡£¤½¤·¤Æ¡¢¤æ¤¯¤æ¤¯¤Ï¤½¤¦¤·¤¿³ÈÄ¥¤¬ contrib/ ¥µ¥Ö¥Ç¥£¥ì¥¯¥È¥ê¤ÎÃæ¤ËÆþ¤ë¤³¤È¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ + +

+

5.3) ¥¿¥×¥ë¤òÊÖ¤¹ C¸À¸ì¤Î´Ø¿ô¤Ï¤É¤Î¤è¤¦¤Ë½ñ¤­¤Þ¤¹¤«¡© +

+ +

¸¶ÍýŪ¤Ë¤Ï²Äǽ¤Ç¤¹¤¬¡¢¤³¤ì¤Ë¤Ïµæ¶Ë¤Î̯µ»¤òÍפ·¤Þ¤¹¤Î¤Ç¡¢Ãø¼Ô¤Î¤Þ¤ï¤ê¤Ç¤Ï̤¤Àï¤â¤ä¤Ã¤¿¤³¤È¤¬¤¢¤ê¤Þ¤»¤ó¡£ + +

5.4) ¥½¡¼¥¹¡¦¥Õ¥¡¥¤¥ë¤òÊѹ¹¤·¤Þ¤·¤¿¡£ºÆ¥³¥ó¥Ñ¥¤¥ë¤·¤Æ¤âÊѲ½¤¬¸«¤é¤ì¤Ê¤¤¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡© +

+ +

¤¤¤¯¤Ä¤«¤Î Makefile ¤¬¥¤¥ó¥¯¥ë¡¼¥É¡¦¥Õ¥¡¥¤¥ë¤ËÂФ·¤ÆŬÀڤʰ͸´Ø·¸¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£make clean ¤ò¤·¤Æ¤«¤é¤â¤¦°ìÅÙ make ¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£¤â¤·¡¢GCC ¤ò¤ª»È¤¤¤Ç¤¢¤ì¤Ð configure ¤Î --enable-depend ¥ª¥×¥·¥ç¥ó¤ò»È¤Ã¤Æ¡¢¥³¥ó¥Ñ¥¤¥é¤Ë°Í¸´Ø·¸¤ò¼«Æ°Åª¤ËÄ´¤Ù¤µ¤»¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£ + + + diff --git a/doc/src/FAQ/FAQ_japanese.html b/doc/src/FAQ/FAQ_japanese.html new file mode 100644 index 0000000000..94766e0610 --- /dev/null +++ b/doc/src/FAQ/FAQ_japanese.html @@ -0,0 +1,1218 @@ + + +PostgreSQL FAQ in Japanese + + + +

+PostgreSQL(¥Ý¥¹¥È¥°¥ì¥¹¡¦¥­¥å¡¼¡¦¥¨¥ë)¤Ë¤Ä¤¤¤Æ¤è¤¯¤¢¤ë¼ÁÌä(FAQ)

+

+¸¶Ê¸ºÇ½ª¹¹¿·Æü: Tue Oct 17 00:21:20 EDT 2000 + (¥Õ¥¡¥¤¥ëÆüÉÕ¤Ï 03/02/2001) +

+¸½ºß¤Î°Ý»ý´ÉÍý¼Ô: Bruce Momjian (pgman@candle.pha.pa.us)

+

+¤³¤Îʸ½ñ¤ÎºÇ¿·ÈÇ¤Ï +http://www.PostgreSQL.org/ +¤Ç¸«¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ +

+ +¥×¥é¥Ã¥È¥Û¡¼¥à¤ËÆÃÍ­¤Î¼ÁÌä¤Ë¤Ä¤¤¤Æ¤Ï:http://www.PostgreSQL.org/users-lounge/docs/faq.html +
¤Ë²óÅú¤¬¤¢¤ê¤Þ¤¹¡£ +

+ +

+

+[ÌõÃí¡§
+	(°Ê²¼¡¢Ìõ¼Ô¤Ë¤è¤ëÃí¼á¤ò [ÌõÃí¡§ ¤È ] ¤È¤Ç°Ï¤ó¤Çµ­¤·¤Þ¤¹¡£)
+
+	  http://www.PostgreSQL.org/ ¤Ë¥¢¥¯¥»¥¹¤¹¤ë¤È http://postgresql.nucba.ac.jp/
+¤Ë¥ê¥À¥¤¥ì¥¯¥È¤µ¤ì¡¢"Not Found" ¤Ë¤Ê¤Ã¤Æ¤·¤Þ¤¦¤³¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾ì¹ç¤Ï¡¢
+		http://www.PostgreSQL.org/index.html
+	¤Ë¥¢¥¯¥»¥¹¤·¤Æ¤ß¤Æ¤¯¤À¤µ¤¤¡£
+
+
+ÆüËܸìÈǤˤĤ¤¤Æ¤Ï°Ê²¼¤ÎÄ̤ê¤Ç¤¹¡£
+
+ºÇ½ª¹¹¿·Æü:	2001ǯ03·î03Æü
+Ìõ¼Ô:		·¬Â¼ ½á (Jun Kuwamura <juk@jp.postgresql.org>)
+
+ ¤³¤ÎFAQ¤ÎÏÂÌõ¤ÎºîÀ®¤Ë¶¨ÎϤò¤·¤Æ¤¯¤À¤µ¤Ã¤¿°Ê²¼¤ÎÊý¡¹¤ò¤Ï¤¸¤á¡¢
+
+		ÅÄÃç Ì­¤µ¤ó(Minoru Tanaka <Tanaka.Minoru@keiken.co.jp>)
+		Àаæ ãÉפµ¤ó(Tatsuo Ishii <t-ishii@sra.co.jp>)
+		óîÆ£ Ãοͤµ¤ó(Tomohito Saitoh <tomos@elelab.nsc.co.jp>)
+		ÇÏ¾ì  È¥¤µ¤ó(Hajime Baba <baba@kusastro.kyoto-u.ac.jp>)
+		²¬ËÜ °ì¹¬¤µ¤ó(Kazuyuki Okamoto <kokamoto@itg.hitachi.co.jp>)
+		¾®¿û ¾¼°ì¤µ¤ó(Shoichi Kosuge <s-kosuge@str.hitachi.co.jp>)
+		»³²¼ µÁÇ·¤µ¤ó(Yoshiyuki Yamashita <dica@eurus.dti.ne.jp>)
+		¶­ ¿¿ÂÀϺ¤µ¤ó(Sintaro Sakai <s_sakai@mxn.mesh.ne.jp>)
+		À¸±Û ¾»¸Ê¤µ¤ó(Masami Ogoshi <ogochan@zetabits.com>)
+		ÀÐÀî ½Ó¹Ô¤µ¤ó(Toshiyuki Ishikawa <tosiyuki@gol.com>)
+		ËÜÅÄ Ìй­¤µ¤ó(Shigehiro Honda <fwif0083@mb.infoweb.ne.jp>)
+
+
+¥Ý¥¹¥È¥°¥ì¥¹¤Ë´Ø¤¹¤ëÏÃÂêË­ÉÙ¤ÊÆüËܸì¥Ý¥¹¥È¥°¥ì¥¹¡¦¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¡¢
+ÏÂÌõ¤Î¤­¤Ã¤«¤±¤òºî¤Ã¤Æ¤¯¤ì¤¿ JF(Linux Japanese FAQ Mailing List)¥×¥í¥¸¥§¥¯¥È¡¢
+¤½¤Î¾¡¢Ä¾Àܤ¢¤ë¤¤¤Ï´ÖÀÜŪ¤Ë¤«¤«¤ï¤Ã¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥ª¡¼¥×¥ó¥½¡¼¥¹
+¥³¥ß¥å¥Ë¥Æ¥£¡¼¤Î³§¤µ¤ó¤Ë´¶¼Õ¤·¤Þ¤¹¡£
+
+  ÆüËܸìÈǤΤ³¤Îʸ½ñ¤Ï
+	http://www.jp.postgresql.org/
+	http://www.rccm.co.jp/~juk/pgsql/
+	http://www.sra.co.jp/people/t-ishii/PostgreSQL/
+	http://www.linux.or.jp/JF/
+¤«¤é¤â¤¿¤É¤ì¤Þ¤¹¡£
+
+¤Ê¤ª¡¢¤³¤ÎÏÂÌõ¤Ë´Ø¤¹¤ë¤´°Õ¸«¤Ï(juk@jp.postgresql.org)¤Þ¤Ç¤ª´ó¤»²¼¤µ¤¤¡£
+]
+
+ +

+

+

+ +

°ìÈÌŪ¤Ê¼ÁÌä

+ +1.1) PostgreSQL¤È¤Ï²¿¤Ç¤¹¤«¡©
+1.2) PostgreSQL¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©
+1.3) PostgreSQL¤ÎÆ°ºî¤¹¤ëUnix¥×¥é¥Ã¥È¥Û¡¼¥à¤Ï¡©
+1.4) Unix°Ê³°¤Î°Ü¿¢ÈǤǻȤ¨¤ë¤â¤Î¤Ï¡©
+1.5) PostgreSQL¤Ï¤É¤³¤«¤é¼ê¤ËÆþ¤ê¤Þ¤¹¤«¡©
+1.6) ¥µ¥Ý¡¼¥È¤Ï¤É¤³¤Ç¼õ¤±¤é¤ì¤Þ¤¹¤«¡©
+1.7) ºÇ¿·ÈǤϲ¿¤Ç¤¹¤«
+1.8) ¤É¤Î¤è¤¦¤Êʸ½ñ¤¬¤¢¤ê¤Þ¤¹¤«¡©
+1.9) ´ûÃΤΥХ°¤ä̵¤¤µ¡Ç½¤Ï¤É¤¦¤ä¤Ã¤Æ¸«¤Ä¤±¤Þ¤¹¤«¡©
+1.10) SQL¤Ï¤É¤¦¤¹¤ì¤Ð³Ø¤Ù¤Þ¤¹¤«¡©
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+ + +

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+ +2.1) PostgreSQL ¤Î ODBC ¥É¥é¥¤¥Ð¡¼¤Ï¤¢¤ê¤Þ¤¹¤«¡©
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+ + +

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+ +3.1) ¤É¤Î¤è¤¦¤Ë¤¹¤ì¤Ð /usr/local/pgsql °Ê³°¤Î¾ì½ê¤Ë¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤­¤Þ¤¹¤«¡©
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+ + +

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+4.18) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡©
+4.19) ¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸ "ERROR: Memory exhausted in AllocSetAlloc()"¤¬½Ð¤ë¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©
+4.20) ¤É¤Î¥Ð¡¼¥¸¥ç¥ó¤Î PostgreSQL ¤òÁö¤é¤»¤Æ¤¤¤ë¤Î¤«¤òÄ´¤Ù¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡©
+4.21) ¥é¡¼¥¸¥ª¥Ö¥¸¥§¥¯¥È¤ÎÁàºî¤Ç¡¢invalid large obj descriptor¤È½Ð¤Þ¤¹¡£¤Ê¤¼¤Ç¤¹¤«¡©
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+4.23) ¤Ê¤¼¡¢IN¤ò»È¤¦ÉûÌ䤤¹ç¤ï¤»¤¬¤È¤Æ¤âÃÙ¤¤¤Î¤Ç¤¹¤«¡©
+4.24) ³°Éô·ë¹ç(outer join)¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«?
+ +

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+ +5.1) ¼«Ê¬¤Ç½ñ¤¤¤¿¥æ¡¼¥¶ÄêµÁ´Ø¿ô¤ò psql ¤ÎÃæ¤Ç¼Â¹Ô¤¹¤ë¤È¥³¥¢¡¦¥À¥ó¥×¤·¤Æ¤·¤Þ¤¦¤Î¤Ï¤Ê¤¼¤Ç¤¹¤«¡©
+5.2) PostgreSQL ÍѤ˽ñ¤¤¤¿¿è¤Ê¿·¤·¤¤·¿¤ä´Ø¿ô¤Ï¡¢¤É¤¦¤¹¤ì¤Ð´ó£¤Ç¤­¤Þ¤¹¤«¡©
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+

+

+

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+

+ +

1.1) PostgreSQL ¤È¤Ï²¿¤Ç¤¹¤«¡©

+ +

PostgreSQL ¤Ï POSTGRES ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à¤Î²þÎÉÈǤǡ¢¼¡À¤Âå DBMS ¸¦µæÍѤΥץí¥È¥¿¥¤¥×¤Ç¤¹¡£PostgreSQL ¤Ï POSTGRES ¤Î¶¯ÎϤʥǡ¼¥¿¡¦¥â¥Ç¥ë¤ÈË­É٤ʥǡ¼¥¿¡¦¥¿¥¤¥×(·¿)¤òÆâÊñ¤·¤Ä¤Ä¡¢POSTGRES ¤Ç»È¤ï¤ì¤¿ PostQuel Ì䤤¹ç¤ï¤»¸À¸ì¤ò¡¢³ÈÄ¥¤·¤¿ SQL ¤Î¥µ¥Ö¥»¥Ã¥È¤ËÃÖ¤­´¹¤¨¤Æ¤¤¤Þ¤¹¡£PostgreSQL ¤Ï̵ÎÁ¤Ç´°Á´¤Ê¥½¡¼¥¹¤òÍøÍѤǤ­¤Þ¤¹¡£ + +

PostgreSQL ¤Î¤¹¤Ù¤Æ¤Î³«È¯¤Ï¡¢PostgreSQL ³«È¯¥á¡¼¥ê¥ó¥°¥ê¥¹¥È¤Ë»²²Ã¤·¤Æ¤¤¤ë¥¤¥ó¥¿¡¼¥Í¥Ã¥È¾å¤Î³«È¯¼Ô¥Á¡¼¥à¤Ç¹Ô¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£¸½ºß¤ÎºÂĹ¤Ï Marc G. Fournier ( scrappy@PostgreSQL.org )¤Ç¤¹¡£(°Ê²¼¤Ë»²²Ã¤Î»ÅÊý¤¬¤¢¤ê¤Þ¤¹¡£)¸½ºß¡¢¤³¤Î¥Á¡¼¥à¤¬ PostgreSQL³«È¯¤Î¤¹¤Ù¤Æ¤Î ÌÌÅݤò¸«¤Þ¤¹¡£ + +

PostgreSQL 1.01 ¤ÎÃø¼Ô¤Ï Andrew Yu ¤È Jolly Chen ¤Ç¤·¤¿¡£¤½¤Î¾ÂçÀª¤Î¿Í¡¹¤¬¤³¤Î¥³¡¼¥É¤Î°Ü¿¢¡¢¥Æ¥¹¥È¡¢¥Ç¥Ð¥°¡¢¤ª¤è¤Ó¡¢²þÎɤ˹׸¥¤·¤Þ¤·¤¿¡£PostgreSQL ¤ÎÇÉÀ¸¸µ¥³¡¼¥É¤Ç¤¢¤ë POSTGRES ¤Ï¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¥Ð¡¼¥¯¥ì¥¤¹»¤Ë¤ª¤¤¤Æ¡¢ Michael Stonebraker ¶µ¼ø¤Î»Ø´ø¤Î¤â¤È¡¢Â¿¤¯¤Î³ØÀ¸¡¢Â´¶ÈÀ¸¡¢¿¦¶È¥×¥í¥°¥é¥Þ¤¿¤Á¤ÎÅØÎϤˤè¤êºî¤é¤ì¤Þ¤·¤¿¡£ + +

¥Ð¡¼¥¯¥ì¥¤¤Ë¤ª¤±¤ë¤³¤Î¥½¥Õ¥È¥¦¥§¥¢¤Î¤â¤È¤Î̾Á°¤Ï Postgres ¤Ç¤·¤¿¡£SQL ¤Îµ¡Ç½¤¬Äɲ䵤줿 1995 ǯ¤Ë¤½¤Î̾Á°¤Ï Postgres95 ¤ËÊѹ¹¤µ¤ì¤Þ¤·¤¿¡£1996 ǯ¤Î½ª¤ê¤Ë¤½¤Î̾Á°¤Ï PostgreSQL ¤ËÊѹ¹¤µ¤ì¤Þ¤·¤¿¡£ + +Post-Gres-Q-L.(¥Ý¥¹¥È - ¥°¥ì¥¹ - ¥­¥å¡¼ - ¥¨¥ë) ¤Èȯ²»¤·¤Þ¤¹¡£ + +

+

1.2) PostgreSQL ¤ÎÃøºî¸¢¤Ï¤É¤¦¤Ê¤Ã¤Æ¤Þ¤¹¤«¡©

+ +

PostgreSQL ¤Ï²¼µ­¤ÎÃøºî¸¢¤Ë½¾¤¤¤Þ¤¹¡£ +

+    [ÌõÃí¡§
+        ÀµÊ¸¤Ï±Ñ¸ì¤Ç¤¹¡£»²¹Í¤È¤·¤Æ¡¢Ìõʸ¤òÊ»µ­·ÇºÜ¤·¤Þ¤¹¡£
+    ]
+
+

+PostgreSQL Data Base Management System

+ +Portions copyright (c) 1996-2000, PostgreSQL Global Development Group +Portions Copyright (c) 1994-6 Regents of the University of California

+ +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose, without fee, and without a written +agreement is hereby granted, provided that the above copyright notice +and this paragraph and the following two paragraphs appear in all +copies. +

+IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY +FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, +INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS +DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF +THE POSSIBILITY OF SUCH DAMAGE. +

+THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, +INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER +IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO +OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR +MODIFICATIONS. +

+ +

+    [ÌõÃí¡§
+	POSTGRESQL ¥Ç¡¼¥¿¥Ù¡¼¥¹´ÉÍý¥·¥¹¥Æ¥à
+
+	ÉôʬÃøºî¸¢ (c) 1996-2001, PostgreSQL¹ñºÝ³«È¯¥Á¡¼¥à
+	ÉôʬÃøºî¸¢ (c) 1994-6 ¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³ØËܹ»
+
+	¤³¤Î¥½¥Õ¥È¥¦¥§¥¢¤È¤½¤Îʸ½ñ¤ò¡¢Ç¡²¿¤Ê¤ëÌÜŪ¤Ç¤â¡¢ÌµÎÁ¤Ç¡¢»ÈÍѵöÂú½ñ̵¤·¤Ë¡¢
+	»ÈÍÑ¡¢Ê£¼Ì¡¢½¤Àµ¡¢¤½¤·¤Æ¡¢ÇÛÉÛ¤¹¤ë¤³¤È¤Ø¤Îµö²Ä¤ò¡¢¾åµ­¤ÎÃøºî¸¢É½¼¨¡¢¤³¤ÎÃÊ
+	Íî¡¢¤ª¤è¤Ó¡¢¤³¤ì¤Ë³¤¯Æó¤Ä¤ÎÃÊÍ¡¢¤¹¤Ù¤Æ¤ÎÊ£¼Ì¤ËźÉÕ¤µ¤ì¤ë¸Â¤ê¤Ë¤ª¤¤¤Æ¡¢
+	¤³¤³¤Ë¤½¤ì¤òǧ¤á¤Þ¤¹¡¥
+
+	¤¿¤È¤¨¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤¬°Ê²¼¤Î¤è¤¦¤Ê»³²¤Î²ÄǽÀ­¤Ë¤Ä¤¤¤Æ¸ÀµÚ¤·¤Æ¤¤¤¿
+	¤È¤·¤Æ¤â¡¥¤³¤Î¥½¥Õ¥È¥¦¥§¥¢µÚ¤Óʸ½ñ¤Î»ÈÍѾ塤ľÀÜŪ¡¦´ÖÀÜŪ¡¦ÆÃÊÌ¡¦¶öÁ³
+	¤â¤·¤¯¤ÏɬÁ³Åª¤Ë¡¤À¸¤¸¤¿¼º¤ï¤ì¤¿Íø±×¤ò´Þ¤à»³²¤Ë±÷¤¤¤Æ¡¤¤¤¤º¤ì¤ÎÅö»ö¼Ô
+	¤ËÂФ·¤Æ¤â¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤Ï°ìÀÚ¤ÎÀÕǤ¤òÉ餤¤Þ¤»¤ó¡¥
+
+	¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤Ï¡¤ÆÃÄêÌÜŪ¤Î¤¿¤á¤Î¾¦ÍÑÀ­µÚ¤ÓŬ¹çÀ­¤Î°ÅÌÛ¤ÎÊݾڤò´Þ
+	¤à¡¤¤·¤«¤·¤½¤ì¤Ë¸ÂÄꤵ¤ì¤ë¤³¤È¤Î¤Ê¤¤¡¤¤¤¤«¤Ê¤ëÊݾڤâÌÀ³Î¤ËÊü´þ¤·¤Þ¤¹¡¥
+	¤³¤³¤Ë¤ª¤¤¤ÆÍÑ°Õ¤µ¤ì¤¿¥½¥Õ¥È¥¦¥§¥¢¤Ï¡Ö¤¢¤ë¤¬¤Þ¤Þ¡×¤È¤¤¤¦¤³¤È¤òÁ°Äó¤È¤·¡¤
+	¥«¥ê¥Õ¥©¥ë¥Ë¥¢Âç³Ø¤Ï°Ý»ý¡¦Êä½õ¡¦¹¹¿·¡¦²þÎÉ¡¦½¤Àµ¤òÍÑ°Õ¤¹¤ëµÁ̳¤òÉ餤¤Þ
+	¤»¤ó¡¥
+    ]
+
+ +

+

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+ +

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°ìÈÌŪ¤Ë¡¢ºÇ¶á¤ÎUnix¸ß´¹¥×¥é¥Ã¥È¥Û¡¼¥à¤Ê¤é¤ÐPostgreSQL¤ò¤Ï¤·¤é¤»¤é¤ì¤ë¤Ï¤º¤Ç¤¹¡£¥ê¥ê¡¼¥¹¤Î»þÅÀ¤Ç¼ÂºÝ¤Ë¥Æ¥¹¥È¤ò¹Ô¤Ê¤Ã¤¿¤³¤È¤ÎÊó¹ð¤¬¤Ê¤µ¤ì¤¿¥×¥é¥Ã¥È¥Û¡¼¥à¤Ë¤Ä¤¤¤Æ¤Ï¥¤¥ó¥¹¥È¡¼¥ë¼ê°ú½ñ¤ËÎóµó¤·¤Æ¤¢¤ê¤Þ¤¹¡£ + +

+

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+ +
+¥¯¥é¥¤¥¢¥ó¥È
+

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Win32 libpq ¥é¥¤¥Ö¥é¥ê¤È psql ¤òºî¤ë¤¿¤á¤Ë¡¢win31.mak ¤¬ÇÛÉۤ˴ޤޤì¤Æ¤Þ¤¹¡£PostgreSQL¤Ï ODBC ¥¯¥é¥¤¥¢¥ó¥È¤È¤âÄÌ¿®¤Ç¤­¤Þ¤¹¡£ + +

+¥µ¡¼¥Ð
+

¸½ºß¡¢Cygnus Unix/NT °Ü¿¢¥é¥¤¥Ö¥é¥ê¤Î Cygwin ¤ò»È¤Ã¤Æ¡¢PostgreSQL ¥Ç¡¼¥¿¥Ù¡¼¥¹¥µ¡¼¥Ð¤Ï Windows NT ¤È Win2k ¾å¤Ç²ÔƯ¤·¤Æ¤¤¤Þ¤¹¡£ÇÛÉۤ˴ޤޤì¤ëpgsql/doc/FAQ_MSWIN¤¢¤ë¤¤¤Ï¥¦¥§¥Ö¥µ¥¤¥È¤Ë¤¢¤ë MS Windows FAQ ¤ò¤´Í÷²¼¤µ¤¤¡£Microsoft ¤ÎÁǤΥץé¥Ã¥È¥Û¡¼¥à¤Ë°Ü¿¢¤¹¤ë·×²è¤Ï¤¢¤ê¤Þ¤»¤ó¡£

+ + +

+

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+

PostgreSQL ¤Î¸µ¤Î anonymous ftp ¥µ¥¤¥È¤Ç¤¹¡§ + +

+ +

¥ß¥é¡¼¥µ¥¤¥È¤Ë¤Ä¤¤¤Æ¤Ï¡¢²æ¡¹¤Î¥á¥¤¥ó Web ¥Ú¡¼¥¸¤ò¤´Í÷²¼¤µ¤¤¡£ + +

+    [ÌõÃí:
+
+	°Ê²¼¤ÏÆüËܤΥߥ顼¥µ¥¤¥È¤Ç¤¹:
+
+       Japan: ftp://mirror.nucba.ac.jp/mirror/postgresql/pub/
+       Japan: ftp://ring.ip-kyoto.ad.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.crl.go.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.saitama-u.ac.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.astem.or.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.exp.fujixerox.co.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.jah.ne.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.etl.go.jp.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.asahi-net.or.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.so-net.ne.jp/pub/misc/db/postgresql/
+       Japan: ftp://ring.aist.go.jp/pub/misc/db/postgresql/
+    ]
+
+ +

+ +

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+ http://www.PostgreSQL.org +
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+ +IRC ¥Á¥ã¥ó¥Í¥ë¤â EFNet ¤Ë¤¢¤ê¤Þ¤¹¡£¤½¤Î¥Á¥ã¥ó¥Í¥ë¤Ï #PostgreSQL ¤Ç¤¹¡£ +unix ¥³¥Þ¥ó¥É¤Çirc -c '#PostgreSQL' "$USER" irc.phoenix.net +¤ò»È¤¤¤Þ¤¹¡£

+ +

+    [ÌõÃí:
+	  1999ǯ7·î23Æü¡¢ÆüËÜPostgreSQL¥æ¡¼¥¶¡¼²ñ(¤Ë¤Û¤ó ¤Ý¤¹¤È¤°¤ì¤¹ ¤æ¡¼¤¶¡¼ ¤«¤¤)¡¢Î¬¾ÎJPUG¤¬ÀßΩ¤µ¤ì¤Þ¤·¤¿¡£
+	JPUG ¤ÏÈó±ÄÍøÁÈ¿¥¤Ç¡¢PostgreSQL¤òÍøÍѤ¹¤ë¿Íã¤ÎÁê¸ß¶¨ÎϤξì¤Ç¤¹¡£
+	Àµ²ñ°÷¤Î²ñÈñ¤Ï̵ÎÁ¤Ç¤¹¤¬¡¢²ñ°÷¤ÎÀѶËŪ¤Ê¹×¸¥¤¬²ñ¤Î±¿±Ä¤ò½õ¤±¤Æ¤¤¤Þ¤¹¡£¾Ü¤·¤¯¤Ï¡¢JPUG¤ÎWeb ¥µ¥¤¥È:
+		http://www.jp.postgresql.org/
+	¤ò¤´Í÷¤¯¤À¤µ¤¤¡£²ñ°÷ÅÐÏ¿¤â²Äǽ¤È¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£
+	  1990ǯÂåÃ椴¤í¤è¤ê¡¢¥Ý¥¹¥È¥°¥ì¥¹¤ÎÆüËܸì¥á¡¼¥ê¥ó¥°¡¦¥ê¥¹¥È¤òÀаæ ãÉפµ¤ó¤¬¼çºÅ¤·¤Æ¤¤¤Þ¤¹¡£¾ÜºÙ¤Ï¡¢
+		http://www.sra.co.jp/people/t-ishii/PostgreSQL/ML/info.html
+	¤ò¤´Í÷²¼¤µ¤¤¡£¥¢¡¼¥«¥¤¥Ö¤ò¡¢¤¤¤ï¤­¤ê¤µ¤ó¤Îpgsql-jp ML¸¡º÷¥·¥¹¥Æ¥à
+		http://datula.mio.org/~iwakiri/pgsql_jp/
+	¤Ç¸¡º÷¤¹¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£
+	]
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+ +PostgreSQL¤Ï³ÈÄ¥¤µ¤ì¤¿SQL-92¤Î¥µ¥Ö¥»¥Ã¥È¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£ +²æ¡¹¤Î¥Ú¡¼¥¸¤Î + +TODO ¥ê¥¹¥È¤Ë¡¢´ûÃΤΥХ°¤ä·çÍǽ¤ä¾­Íè·×²è¤Ë¤Ä¤¤¤Æ¤Îµ­½Ò¤¬¤¢¤ê¤Þ¤¹¡£ + +

+

1.10) SQL ¤Ï¤É¤Î¤è¤¦¤Ë³Ø¤Ù¤ÐÎɤ¤¤Ç¤¹¤«¡©

+

+ +http://www.PostgreSQL.org/docs/awbook.html +¤Ë¤¢¤ëPostgreSQLËÜ¤Ç SQL ¤ò¶µ¤¨¤Æ¤¤¤Þ¤¹¡£ + +

+ÁÇÀ²¤é¤·¤¤³Ø½¬½ñ¤Ë¤Ï¡¢ + +http://w3.one.net/~jhoffman/sqltut.htm ¤È + +http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM.

+¤È¤¬¤¢¤ê¤Þ¤¹¡£¤½¤Î¾¤Ë¡¢ +"Teach Yourself SQL in 21 Days, Second Edition" ¤¬¡¢ + +http://members.tripod.com/er4ebus/sql/index.htm +¤Ë¤¢¤ê¤Þ¤¹¡£ +

+¿¤¯¤Î¥æ¡¼¥¶¤Ë¡¢ +The Practical SQL Handbook, Bowman Judith S. et al., Addison-Wesley +¤¬¹¥É¾¤Ç¤¹¡£ +¤½¤Î¾¤Ë¡¢The Complete Reference SQL, Groff et al., McGraw-Hill +¤Î¤è¤¦¤Ê¤Î¤â¤¢¤ê¤Þ¤¹¡£ +

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+		http://www.shonan.ne.jp/~nkon/ipsql/books_SQL.html
+	¤¬¤¢¤ê¤Þ¤¹¡£
+	 ËÙÅÄÎѱѻá¤Î¡ÖPostgreSQLÆüËܸì¥Þ¥Ë¥å¥¢¥ë¡×
+		http://www.net-newbie.com/
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+	 ´Ý»³ÉÔÆóÉ×»á¤ÎUNIX ¥Ç¡¼¥¿¥Ù¡¼¥¹ÆþÌç
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+	¤Ï¥ª¥ó¥é¥¤¥ó¤ÇÆɤळ¤È¤¬¤Ç¤­¤Þ¤¹¡£
+    ]
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1.11) PostgreSQL¤ÏÀ¾Îñ2000ǯÌäÂê(Y2K)¤ËÂбþ¤·¤Æ¤¤¤Þ¤¹¤«¡© +

+ +Âбþ¤·¤Æ¤Þ¤¹¡£À¾Îñ2000ǯ¤è¤ê¸å¤ÎÆüÉդ⡢µª¸µÁ°2000ǯ¤è¤êÁ°¤ÎÆüÉդ⡢´Êñ¤Ë°·¤¨¤Þ¤¹¡£ +

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postmaster ¤È postgres ¤ÎξÊý¤Ç¤¤¤¯¤Ä¤«¤Î¥Ç¥Ð¥°¡¦¥ª¥×¥·¥ç¥ó¤ÎÍøÍѤ¬¤Ç¤­¤Þ¤¹¡£¤Þ¤º¡¢¼¡¤Î¤è¤¦¤Ë postmaster ¤òµ¯Æ°¤¹¤ë¤È¤­¤Ï¤¤¤Ä¤Ç¤â¡¢É¸½à½ÐÎϤȥ¨¥é¡¼½ÐÎϤò¥í¥°¡¦¥Õ¥¡¥¤¥ë¤ËÁ÷¤ë¤è¤¦¤Ë¤·¤Æ¤¢¤ë¤³¤È¤ò³Î¤«¤á¤Æ²¼¤µ¤¤¡£ + +

+	cd /usr/local/pgsql
+	./bin/postmaster >server.log 2>&1 &
+
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PostgreSQL ¤ÏÅý·×¾ðÊó¤ò¼«Æ°Åª¤Ë¤ÏÊݼ餷¤Þ¤»¤ó¡£Åý·×¾ðÊó¤ò¹¹¿·¤¹¤ë¤¿¤á¤Ë¤Ï¡¢VACUUM ¤òÁö¤é¤»¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£Åý·×¾ðÊ󤬹¹¿·¤µ¤ì¤¿¸å¤Ï¡¢¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¥Æ¡¼¥Ö¥ë¤Ë²¿¹Ô¤¢¤ë¤«¤òÃΤäơ¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤Ù¤­¤«¤Î·èÄê¤ò¤è¤êÎɤ¯²¼¤·¤Þ¤¹¡£¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¥Æ¡¼¥Ö¥ë¤¬¾®¤µ¤¯¤ÆϢ³¥¹¥­¥ã¥ó¤ÎÊý¤¬Â®¤¤¤Ç¤¢¤í¤¦¾ì¹ç¤Ï¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤ï¤Ê¤¤¤³¤È¤Ë¤´Ãí°Õ²¼¤µ¤¤¡£ + +

ÎóÆÃÄê¤ÎºÇŬ²½Åý·×¤Î¤¿¤á¤ËVACUUM ANALYZE¤ò»È¤¤¤Þ¤¹¡£VACUUM ANALYZE¤ÏÊ£»¨¤ÊÊ£¹ç·ë¹ç(multi-join)Ì䤤¹ç¤ï¤»¤Î¤¿¤á¤ËÂçÀڤǤ¹¤Î¤Ç¡¢¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤Ï¤½¤ì¤¾¤ì¤Î¥Æ¡¼¥Ö¥ë¤«¤éÊÖ¤µ¤ì¤ë¹Ô¤Î¿ô¤ò¸«ÀѤ뤳¤È¤¬¤Ç¤­¡¢ÆÃÄê¤Î·ë¹ç½ç½ø¤òÁª¤Ó¤Þ¤¹¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤Ï¤½¤ì¼«¿È¤Ç¤ÏÎó¤ÎÅý·×¤òÊÝ»ý¤·¤Ê¤¤¤Î¤Ç¡¢Äê´üŪ¤Ë¤½¤ì¤é¤ò½¸¤á¤ë¤¿¤á¤Ë¤Ï VACUUM ANALYZE ¤òÁö¤é¤»¤Ê¤¯¤Æ¤Ï¤Ê¤ê¤Þ¤»¤ó¡£ + +

¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï ORDER BY Áàºî¤Î¤¿¤á¤Ë¤ÏÉáÄ̤ϻȤï¤ì¤Þ¤»¤ó¡£¤¹¤Ê¤ï¤Á¡¢½ç¼¡¥¹¥­¥ã¥ó¤Ë³¤¯ÌÀ¼¨Åª¥½¡¼¥È¤Ï¡¢¥Ç¥£¥¹¥¯¥¢¥¯¥»¥¹¤¬¤è¤ê¾¯¤Ê¤¯¤ÆºÑ¤à¤Î¤Ç¡¢µðÂç¤Ê¥Æ¡¼¥Ö¥ë¤ÎÁ´·ï¤ò¥¤¥ó¥Ç¥Ã¥¯¥¹¥¹¥­¥ã¥ó¤¹¤ë¤è¤ê¤â¹â®¤Ç¤¹¡£ + +

LIKE ¤¢¤ë¤¤¤Ï ~ ¤Î¤è¤¦¤Ê¥ï¥¤¥ë¥É¥«¡¼¥É±é»»»Ò(wild-card operators)¤ò»È¤¦¤È¤­¡¢¸¡º÷¤Î³«»Ï¤¬Ê¸»úÎó¤Î»Ï¤á¤ÎÉôʬ¤Ë¸ÇÄꤵ¤ì¤Æ¤¤¤ë¤È¤­¤Ë¤Î¤ß¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤¬»È¤ï¤ì¤Þ¤¹¡£ +¤½¤¦¤¤¤¦¤ï¤±¤Ç¡¢¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò»È¤¦¤¿¤á¤Ë¤Ï¡¢LIKE ¸¡º÷¤Ç¤Ï%¤Ç»Ï¤á¤Ê¤¤¤è¤¦¤Ë¤·¤Æ¡¢¤Þ¤¿¡¢~(Àµµ¬É½¸½¸¡º÷)¤Ï^ ¤Ç»Ï¤á¤ë¤è¤¦¤Ë¤¹¤ë¤Ù¤­¤Ç¤¹¡£ + +

+

4.10) Ì䤤¹ç¤ï¤»¥ª¥Ö¥Æ¥£¥Þ¥¤¥¶¤¬¤É¤Î¤è¤¦¤ËÌ䤤¹ç¤ï¤»¤òɾ²Á¤¹¤ë¤Î¤«¤ò¸«¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +

+ +

¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç EXPLAIN ¤ò¸«¤Æ²¼¤µ¤¤¡£ + +

+

4.11) R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤È¤Ï²¿¤Ç¤¹¤«¡©

+ +

R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ï¶õ´ÖŪ¤Ê¥Ç¡¼¥¿¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òÉÕ¤±¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£¥Ï¥Ã¥·¥å¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤ÏÈϰϤθ¡º÷¤¬¤Ç¤­¤Þ¤»¤ó¡£¤Þ¤¿¡¢B-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤Ï¡¢£±¼¡¸µ¤Ç¤·¤«ÈϰϤθ¡º÷¤¬¤Ç¤­¤Þ¤»¤ó¡£R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤Ç¤¢¤ì¤Ð¿¼¡¸µ¤Î¥Ç¡¼¥¿¤ò°·¤¨¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢¤â¤· R-tree ¥¤¥ó¥Ç¥Ã¥¯¥¹¤ò point ·¿¤Î°À­¤ËÉÕ¤±¤ë¤³¤È¤¬¤Ç¤­¤ë¤È¤¹¤ë¤È¥·¥¹¥Æ¥à¤Ï¡¢¡ÖĹÊý·Á¤Ë°Ï¤Þ¤ì¤¿ÅÀ¤ò¤¹¤Ù¤ÆÁªÂò¤¹¤ë¡×¤È¤¤¤¦¤è¤¦¤ÊÌ䤤¹ç¤ï¤»¤Ë¡¢¤è¤ê¸úΨÎɤ¯Åú¤¨¤é¤ì¤Þ¤¹¡£ + +

R-Tree ¤ÎÀ߷פθ¶Åµ¤È¤Ê¤ë¸¢°Ò¤¢¤ëÏÀʸ¤Ï: + +

Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." +Proc of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57. + +

¤³¤ÎÏÀʸ¤Ï¡¢Stonebraker ¶µ¼ø¤Î "Readings in Database Systems" +¤Ç¤â¼è¤ê¾å¤²¤é¤ì¤Æ¤¤¤Þ¤¹¡£ + +

+

+    [ÌõÃí¡§
+	  ÆàÎÉÀèüÂç¤ÎÀÐÀî²Â¼£¤µ¤ó¤è¤êR-Tree´Ø·¸¤Îʸ¸¥¤ò¾Ò²ð¤·¤Æ夭¤Þ¤·¤¿¡£
+	ÆüËܸì Postgres ML ¤Î¥¢¡¼¥«¥¤¥Ö¤«¤é "Subject: [postgres95 801] spatial data structures" 
+		http://www.sra.co.jp/people/t-ishii/PostgreSQL/mhonarc/pgsql-jp/1996Oct/msg00007.html
+	¤ò¤´Í÷²¼¤µ¤¤¡£
+    ]
+
+ +

Áȹþ¤ß¤Î R-Tree ¤Ç¥Ý¥ê¥´¥ó¤ä¥Ü¥Ã¥¯¥¹¤òÁàºî¤Ç¤­¤Þ¤¹¡£ÍýÏÀŪ¤Ë¤ÏR-Tree ¤Ï¤â¤Ã¤È¹â¤¤¼¡¸µ¤òÁàºî¤¹¤ë¤è¤¦¤Ë¤â³ÈÄ¥¤Ç¤­¤Þ¤¹¡£¼Â¼ÁŪ¤Ë¤Ï¡¢R-Tree ¤Î³ÈÄ¥¤Ë¤Ï¤Á¤ç¤Ã¤È¤·¤¿ºî¶È¤¬É¬ÍפǤ·¤Æ¡¢¸½ºß¡¢²æ¡¹¤Ï¤½¤ì¤ò¤É¤Î¤è¤¦¤Ë¤¹¤ë¤«¤Ë¤Ä¤¤¤Æ¤Îʸ½ñ¤ò»ý¤Ã¤Æ¤¤¤Þ¤»¤ó¡£ + +

+

+    [ÌõÃí¡§
+	  ¥¤¥ó¥¿¡¼¥¦¥£¥º¤ÎÊÒ²¬¤µ¤ó¤¬Â¿¼¡¸µ´ö²¿¥ª¥Ö¥¸¥§¥¯¥È¤Ø¤Î³ÈÄ¥ºî¶ÈÃæ¤Ç¤¹¡£¾Ü¤·¤¯¤Ï¡¢
+	http://www.interwiz.koganei.tokyo.jp/software/geometric/index.html
+	¤ò¤´Í÷¤¯¤À¤µ¤¤¡£
+    ]
+
+ + +

+

4.12) °äÅÁŪÌ䤤¹ç¤ï¤»ºÇŬ²½¤È¤Ï²¿¤Ç¤¹¤«¡© +

+ +

GEQO ¥â¥¸¥å¡¼¥ë¤Ï¡¢Âô»³¤Î¥Æ¡¼¥Ö¥ë¤ò·ë¹ç¤¹¤ë¤È¤­¤Ë¡¢°äÅÁŪ¥¢¥ë¥´¥ê¥º¥à(GA)¤ÇÌä¹ç¤ï¤»¤ò¹â®²½¤·¤Þ¤¹¡£¤³¤ì¤Ë¤è¤ê¡¢¤·¤é¤ß¤Ä¤Ö¤·¤Ëõº÷¤ò¹Ô¤Ê¤ï¤Ê¤¯¤Æ¤â¡¢Â礭¤Ê·ë¹ç(join queries)¤ò°·¤¦¤³¤È¤¬¤Ç¤­¤ë¤è¤¦¤Ë¤Ê¤ê¤Þ¤¹¡£ + +

+

4.13) Àµµ¬É½¸½¤Ç¤Î¸¡º÷¤äÂçʸ»ú¤È¾®Ê¸»ú¤È¤ò¶èÊ̤·¤Ê¤¤Àµµ¬É½¸½¸¡º÷¤Ï¤É¤Î¤è¤¦¤Ë¼Â¸½¤·¤Þ¤¹¤«¡© +

+ +

+~±é»»»Ò¤ÏÀµµ¬É½¸½¾È¹ç¤ò¹Ô¤Ê¤¤¡¢~* ¤ÏÂçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤(case-insensitive)Àµµ¬É½¸½¾È¹ç¤ò¹Ô¤¤¤Þ¤¹¡£ PostgreSQL 7.1 °Ê¹ß¤Ç¤Ï¡¢Âçʸ»ú¤È¾®Ê¸»ú¤ò¶èÊ̤·¤Ê¤¤ LIKE ±é»»»Ò¤ò ILIKE ¤È¤¤¤¤¤Þ¤¹¡£ + + +

+	WHERE lower(textfield) LIKE lower(pattern)
+
+ + +

+

4.14) Ì䤤¹ç¤ï¤»¤ÎÃæ¤Ç¡¢¥Õ¥£¡¼¥ë¥É¤¬ NULL ¤Ç¤¢¤ë¤³¤È¤ò¸¡½Ð¤¹¤ë¤Ë¤Ï¤É¤¦¤·¤Þ¤¹¤«¡© +

+ +

IS NULL¤Î¥«¥é¥à¤ò IS NOT NULL ¤Ç»î¤·¤Æ¤ß¤Æ²¼¤µ¤¤¡£ + +

+

4.15) ÍÍ¡¹¤Êʸ»ú·¿¤Î¤½¤ì¤¾¤ì¤Î°ã¤¤¤Ï²¿¤Ç¤¹¤«¡© +

+ +
+Type            Internal Name   Notes
+--------------------------------------------------
+"char"          char            1 character
+CHAR(#)         bpchar          »ØÄꤵ¤ì¤¿¸ÇÄêĹ¤È¤Ê¤ë¤è¤¦¤Ë¶õÇò¤¬µÍ¤á¤é¤ì¤ë
+VARCHAR(#)      varchar         Ťµ¤Î¾å¸Â¤Î̵¤¤¥Æ¥­¥¹¥È
+TEXT            text            Ťµ¤ÎÀ©¸Â¤ÏºÇÂç¹ÔŤˤè¤ë
+BYTEA           bytea           ²ÄÊÑĹ¤Î¥Ð¥¤¥ÈÇÛÎó
+
+ +

ÆâÉô̾¤Ë¤ªÌܤˤ«¤«¤ë¤Î¤Ï¡¢¥·¥¹¥Æ¥à¡¦¥«¥¿¥í¥°¤òÄ´¤Ù¤ë¤È¤­¤ä¡¢¥¨¥é¡¼¥á¥Ã¥»¡¼¥¸¤ò¼õ¤±¼è¤ë¤È¤­¤Ç¤¹¡£ + + +

¾åµ­¤Î·¿¤Î¤¦¤Á¸å¤Î£´¤Ä¤Î·¿¤Ï "varlena" ·¿¤Ç¤¹(¤¹¤Ê¤ï¤Á¡¢¥Ç¥£¥¹¥¯¤ÎºÇ½é¤Î£´¥Ð¥¤¥È¤¬¥Ç¡¼¥¿Ä¹¤Ç¡¢¤½¤ì¤Î¸å¤Ë¼ÂºÝ¤Î¥Ç¡¼¥¿¤¬Â³¤­¤Þ¤¹)¡£¤³¤Î¤è¤¦¤Ë¼ÂºÝ¤Î¶õ´Ö¤ÏÀë¸À¤µ¤ì¤¿Â礭¤µ¤è¤ê¤â¾¯¤·Â礭¤¯¤Ê¤ê¤Þ¤¹¡£¤·¤«¤·¡¢¤³¤ì¤é¤Î¥Ç¡¼¥¿·¿¤ÏTOAST¤Ë¤è¤ê°µ½Ì¤µ¤ì¤¿¤êÊ£¿ô¹Ô¤ËÅϤäÆÊݸ¤µ¤ì¤¿¤ê¤·¤Æ¡¢¥Ç¥£¥¹¥¯¾å¤Î¶õ´Ö¤Ï»×¤Ã¤¿¤è¤ê¾®¤µ¤¯¤Ê¤ê¤Þ¤¹¡£ + +

+

4.16.1) ÄÌÈÖ(serial)¡¿¼«Æ°Áýʬ¥Õ¥£¡¼¥ë¥É¤Ï¤É¤Î¤è¤¦¤Ë¤Ä¤¯¤ê¤Þ¤¹¤«¡© +

+ +

PostgreSQL ¤Ï SERIAL ¥Ç¡¼¥¿·¿¤ò¥µ¥Ý¡¼¥È¤·¤Þ¤¹¡£Îó¾å¤ËÄÌÈ֤ȥ¤¥ó¥Ç¥Ã¥¯¥¹¤ò¼«Æ°ºîÀ®¤·¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + +

+	CREATE TABLE person ( 
+		id   SERIAL, 
+		name TEXT 
+	);
+
+¤Ï¼«Æ°Åª¤Ë¼¡¤Î¤è¤¦¤ËËÝÌõ¤µ¤ì¤Þ¤¹: +
+	CREATE SEQUENCE person_id_seq;
+	CREATE TABLE person ( 
+		id   INT4 NOT NULL DEFAULT nextval('person_id_seq'),
+		name TEXT 
+	);
+	CREATE UNIQUE INDEX person_id_key ON person ( id );
+
+ÄÌÈ֤ˤĤ¤¤Æ¤Î¤â¤Ã¤È¾Ü¤·¤¤¾ðÊó¤Ï¡¢¥ª¥ó¥é¥¤¥ó¥Þ¥Ë¥å¥¢¥ë¤Ç create_sequence ¤ò¤´Í÷²¼¤µ¤¤¡£ +

¤Þ¤¿¡¢³Æ¹Ô¤ÎOID¥Õ¥£¡¼¥ë¥É¤ò°ì°ÕÃͤȤ·¤Æ»È¤¦¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤·¤«¤·¤Ê¤¬¤é¡¢¤â¤·¤â¥Ç¡¼¥¿¥Ù¡¼¥¹¤ò¥À¥ó¥×¤·¤Æ¤ê¥í¡¼¥É¤¹¤ëɬÍפ¬¤¢¤ë¾ì¹ç¤Ï¡¢OID¤ò²¹Â¸¤¹¤ë¤¿¤á¤Ëpg_dump ¤Ç -o¥ª¥×¥·¥ç¥ó¤ò»È¤¦¤«¡¢¤Þ¤¿¤Ï¡¢COPY WITH OIDS¥ª¥×¥·¥ç¥ó¤ò»È¤¦É¬Íפ¬¤¢¤ê¤Þ¤¹¡£ + + Bruce Momjian ¤Î(http://www.PostgreSQL.org/docs/aw_pgsql_book)¤Î Numbering Rows¤Î¾Ï¤Ë¤¢¤ê¤¢¤Þ¤¹¡£ + + +

4.16.2) SERIAL¥¤¥ó¥µ¡¼¥È¤ÎÃͤϤɤ¦¤¹¤ì¤ÐÆÀ¤é¤ì¤Þ¤¹¤«¡© +

+ + ¤Ò¤È¤Ä¤ÎÊýË¡¤Ï¡¢nextval() ´Ø¿ô¤ÇÁÞÆþ¤¹¤ëÁ°¤Ë(before) SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤«¤é¼¡¤ÎSERIALÃͤò¼è¤ê½Ð¤·¡¢¤½¤ì¤«¤é¼ÂºÝ¤ËÁÞÆþ¤ò¤¹¤ë¤³¤È¤Ç¤·¤ç¤¦¡£ +4.16.1¤ÎÎã¤Ç»È¤Ã¤¿¥Æ¡¼¥Ö¥ë¤ò»È¤¦¤È¤¹¤ë¤È¡¢¼¡¤Î¤è¤¦¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ + +

+	$newSerialID = nextval('person_id_seq');
+	INSERT INTO person (id, name) VALUES ($newSerialID, 'Blaise Pascal');
+
+ +¤½¤¦¤·¤Æ¡¢$newSerialID ¤ËÊݸ¤·¤¿¿·¤·¤¤Ãͤò¾¤ÎÌ䤤¹ç¤ï¤»¤Ë(¤¿¤È¤¨¤Ð¡¢person ¥Æ¡¼¥Ö¥ë¤ËÂФ¹¤ë³°Éô¸°(foreign key)¤Î¤è¤¦¤Ë)»È¤¦¤È¤è¤¤¤Ç¤·¤ç¤¦¡£¼«Æ°Åª¤Ëºî¤é¤ì¤¿SEQUENCE¥ª¥Ö¥¸¥§¥¯¥È¤Î̾Á°¤Ï¡¢<table>_<serialcolumn>_seq ¤Î¤è¤¦¤Ë¤Ê¤ê¡¢¤³¤Î¤¦¤Á¡¢table ¤È serialcolumn ¤Ï¤½¤ì¤¾¤ì¥Æ¡¼¥Ö¥ë¤Î̾Á°¤ÈSERIALÎó¤Î̾Á°¤Ç¤¹¡£ +

+ +¤¢¤ë¤¤¤Ï¡¢Í¿¤¨¤é¤ì¤¿SERIALÃͤò¡¢¤½¤ì¤¬´ûÄêÃͤȤ·¤ÆÁÞÆþ¤µ¤ì¤¿¸å¤Ç(after)¡¢ currval() ´Ø¿ô¤ò»È¤Ã¤Æ¼è¤ê½Ð¤¹¤³¤È¤â¤Ç¤­¤Þ¤¹¡£¤¿¤È¤¨¤Ð¡¢ + +

+	INSERT INTO person (name) VALUES ('Blaise Pascal');
+	$newID = currval('person_id_seq');
+
+ +ºÇ¸å¤Ë¡¢INSERTʸ¤«¤éÊÖ¤ëOID¤ò»È¤Ã¤Æ¡¢´ûÄêÃͤò¤ß¤Ä¤±¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¤¬¡¢¤·¤«¤·¡¢¤³¤ì¤ÏºÇ¤â°Ü¿¢À­¤ÎÄ㤤¤ä¤êÊý¤Ç¤·¤ç¤¦¡£Perl¤ÎDBI¤Ç Edmund Mergl ¤Î DBD::Pg ¥â¥¸¥å¡¼¥ë¤ò»È¤¨¤Ð¡¢$sth->execute() ¤Î¸å¤Ë $sth->{pg_oid_status} ¤ò·Ðͳ¤·¤Æ¤½¤Î OID Ãͤò»È¤¨¤ë¤è¤¦¤Ë¤¹¤ë¤³¤È¤Ï¤Ç¤­¤Þ¤¹¡£ + +

+

4.16.3) ¾¤Î¥æ¡¼¥¶¤È¤Î¶¥¹ç¾õÂÖ¤òÈò¤±¤ë¤¿¤á¤Ë¤Ï¡¢currval() ¤È nextval() ¤Ï»È¤ï¤Ê¤¤¤Û¤¦¤¬¤è¤¤¤Î¤Ç¤·¤ç¤¦¤«¡© +

+ +¤¢¤ê¤Þ¤»¤ó¡£¥Ð¥Ã¥¯¥¨¥ó¥É¤Ç½èÍý¤µ¤ì¤Æ¤¤¤Þ¤¹¡£ + + +

+

4.17) OID ¤È¤Ï²¿¤Ç¤¹¤«¡© TID ¤È¤Ï²¿¤Ç¤¹¤«¡© +

+ +

OID ¤È¤Ï°ì°Õ¤Î¹Ô ID ¤ËÂФ¹¤ë PostgreSQL ¤ÎÅú¤¨¤Ç¤¹¡£PostgreSQL ¤ÎÃæ¤Ç¤Ä¤¯¤é¤ì¤ë¤¹¤Ù¤Æ¤Î¹Ô¤Ï°ì°Õ¤Î OID ¤òÆÀ¤Þ¤¹¡£initdb ¤Ç(backend/access/transam.h ¤«¤é)ȯÀ¸¤µ¤ì¤ë OID ¤Ï¤¹¤Ù¤Æ 16384¤è¤ê¾®¤µ¤ÊÃͤǤ¹¡£initdb ¸å¤Î¤¹¤Ù¤Æ¤Î OID (¥æ¡¼¥¶ºîÀ®)¤Ï¤½¤ì°Ê¾å¤ÎÃͤˤʤê¤Þ¤¹¡£´ûÄê¤Ç¤Ï¡¢¤³¤ì¤é¤¹¤Ù¤Æ¤Î OID ¤Ï¥Æ¡¼¥Ö¥ëÆâ¤ä¥Ç¡¼¥¿¥Ù¡¼¥¹Æâ¤Ëα¤Þ¤é¤º¡¢PostgreSQL ¤Î¤½¤Î¥¤¥ó¥¹¥È¥ì¡¼¥·¥ç¥óÁ´ÂÎÆâ¤Ç°ì°Õ¤Ç¤¢¤ê¤Þ¤¹¡£ + +

PostgreSQL ¤Ï¥Æ¡¼¥Ö¥ë´Ö¤Î¹Ô¤ò·ë¤Ó¤Ä¤±¤ë¤¿¤á¤Ë¡¢¤½¤Î¥·¥¹¥Æ¥à¥Æ¡¼¥Ö¥ëÆâ¤Ë OID ¤ò»È¤¤¤Þ¤¹¡£¤³¤Î OID ¤ÏÆÃÄê¤Î¥æ¡¼¥¶¤Î¹Ô¤ò¼±Ê̤¹¤ë¤¿¤á¤ä·ë¹ç¤ÎÃæ¤Ç»È¤ï¤ì¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£OID ¤ÎÃͤòÊݸ¤¹¤ë¤¿¤á¤Ë¤Ï OID ·¿¤òÎó¤Ë»È¤¦¤³¤È¤ò¾©¤á¤Þ¤¹¡£¤è¤ê®¤¯¥¢¥¯¥»¥¹¤¹¤ë¤¿¤á¤Ë OID ¥Õ¥£¡¼¥ë¥É¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹¤òºî¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£ + +

OID ¤Ï¡¢Á´¤Æ¤Î¥Ç¡¼¥¿¥Ù¡¼¥¹¤«¤é»È¤ï¤ì¤ëÃæ±ûÎΰ褫¤é¡¢Á´¤Æ¤Î¿·¤·¤¤¹Ô¤Ë³ä¤êÅö¤Æ¤é¤ì¤Þ¤¹¡£OID ¤ò¾¤Î²¿¤«¤ËÊѤ¨¤¿¤¤¡¢¤â¤·¤¯¤Ï¸µ¤Î OID ¤Ç¥Æ¡¼¥Ö¥ë¤ò¥³¥Ô¡¼¤·¤¿¤¤¤Î¤Ê¤é¡¢¤½¤¦¤Ç¤­¤Ê¤¤Íýͳ¤Ï¤¢¤ê¤Þ¤»¤ó¡£ + +

+        CREATE TABLE new_table(old_oid oid, mycol int);
+        SELECT old_oid, mycol INTO new FROM old;
+        COPY new TO '/tmp/pgtable';
+        DELETE FROM new;
+        COPY new WITH OIDS FROM '/tmp/pgtable';
+
+
+ +

OID ¤Ï¡¢4¥Ð¥¤¥È¤ÎÀ°¿ô¤È¤·¤ÆÊݸ¤µ¤ì¤Æ¤¤¤ë¤Î¤Ç¡¢40²¯¤ò±Û¤¨¤ë¤È°î¤ì¤Æ¤·¤Þ¤¦¤Ç¤·¤ç¤¦¡£Ã¯¤â¤³¤ì¤¬µ¯¤­¤¿¤ÈÊó¹ð¤·¤Æ¤¯¤ë¿Í¤Ï¤¤¤Þ¤»¤ó¤Ç¤·¤¿¤¬¡¢¤½¤¦¤Ê¤ëÁ°¤Ë¤³¤ÎÀ©¸Â¤ò¼è¤ê½ü¤¯¤³¤È¤ò·×²è¤·¤Æ¤¤¤Þ¤¹¡£ + +

TID ¤ÏÆÃÄê¤ÎʪÍý¹Ô¤ò¤½¤Î¥Ö¥í¥Ã¥¯¤È¥ª¥Õ¥»¥Ã¥ÈÃͤǼ±Ê̤¹¤ë¤¿¤á¤Ë»È¤ï¤ì¤Þ¤¹¡£TID ¤Ï¹Ô¤¬½¤Àµ¤µ¤ì¤¿¤êºÆ¥í¡¼¥É¤µ¤ì¤ë¤ÈÊѤï¤ê¤Þ¤¹¡£¤½¤ì¤é¤Î TID ¤Ï¡¢ÊªÍý¹Ô¤ò»Ø¤¹¤¿¤á¤Ë¥¤¥ó¥Ç¥Ã¥¯¥¹µ­ºÜ¤Ç»È¤ï¤ì¤Þ¤¹¡£ + +

+

4.18) PostgreSQL ¤Ç»È¤ï¤ì¤ë¤¤¤¯¤Ä¤«¤ÎÍѸì¤Î°ÕÌ£¤Ï²¿¤Ç¤¹¤«¡© +

+ +

¤¤¤¯¤Ä¤«¤Î¥½¡¼¥¹¥³¡¼¥É¤ä¸Å¤¤Ê¸½ñ¤ÎÃæ¤Ë¤Ï¡¢¤½¤ì¤¾¤ÎÀìÌçʬÌî¤ÎÃæ¤Ç¤â¤Ã¤È°ìÈÌŪ¤Ë»È¤ï¤ì¤ëÀìÌçÍѸ줬»È¤ï¤ì¤Æ¤¤¤Þ¤¹¡£ + +

    +
  • ¥Æ¡¼¥Ö¥ë(table)¡¢´Ø·¸(relation)¡¢¥¯¥é¥¹(class) +
  • ¹Ô(row)¡¢¥ì¥³¡¼¥É(record)¡¢¥¿¥Ã¥×¥ë(tuple) +
  • Îó(column)¡¢¥Õ¥£¡¼¥ë¥É(field)¡¢Â°À­(attribute) +
  • ¼èÆÀ(retrieve)¡¢ÁªÂò(select) +
  • ÃÖ´¹(replace)¡¢¹¹¿·(update) +
  • ÄɲÃ(append)¡¢ÁÞÆþ(insert) +
  • OID, Ï¢ÈÖ(serial value) +
  • ¥Ý¡¼¥¿¥ë(portal), ¥«¡¼¥½¥ë(cursor) +
  • ÎΰèÊÑ¿ô(range variable)¡¢¥Æ¡¼¥Ö¥ë̾(table name)¡¢¥Æ¡¼¥Ö¥ëÊÌ̾(table alias) +
+

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+

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+	ulimit -d 262144
+	limit datasize 256m
+
+ +

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+	CREATE TABLE test (x int, modtime timestamp DEFAULT now() );
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+ + +

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 SELECT *
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 SELECT *
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+	SELECT tab1.col1, tab2.col2
+	FROM tab1, tab2
+	WHERE tab1.col1 = tab2.col1
+	UNION ALL
+	SELECT tab1.col1, NULL
+	FROM tab1
+	WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)
+	ORDER BY col1
+
+ + +

+

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