How do I make SQL case like insensitive?

Case insensitive SQL SELECT: Use upper or lower functions select * from users where lower(first_name) = ‘fred’; As you can see, the pattern is to make the field you’re searching into uppercase or lowercase, and then make your search string also be uppercase or lowercase to match the SQL function you’ve used.

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What means case sensitive?

Definition of case-sensitive : requiring correct input of uppercase and lowercase letters Having the Caps Lock key on accidentally can also lead to a frustrating series of “wrong password” alerts when trying to use a case-sensitive password for your office network or Internet provider.—

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