We need to go over one more thing before we’re fully done with the LIKE
operator. Namely, case insensitive matching.
By definition, the LIKE
operator is case sensitive: it’ll match the exact text pattern you provided. For example, LIKE '%foobar%'
will match only records that contain foobar
.
Not fooBAR
or FoObAr
, etc.
Case insensitive matching
Often, we don’t really care about case sensitivity, because the data in the warehouse is often preprocessed. For example, all emails are converted to lower case.
Some user-generated data might be...
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About SQL Habit
Hi, it’s Anatoli, the author of SQL Habit. 
SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst
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