</pre>
<p>
-Note that bigm_similarity is NOT case-sensitive, but pg_trgm's similarity function is case-sensitive.
+Note that bigm_similarity IS case-sensitive, but pg_trgm's similarity function is not.
For example, the similarity of the strings "ABC" and "abc" is 1 in pg_trgm's similarity function but 0 in bigm_similarity.
</p>