Text analysis with SQL Case insensitive matching with ILIKE

214. Case insensitive matching with ILIKE

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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