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Home/ Questions/Q 8643949
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Editorial Team
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Editorial Team
Asked: June 12, 20262026-06-12T12:10:33+00:00 2026-06-12T12:10:33+00:00

If I wanted to add a column that could only be two values, for

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If I wanted to add a column that could only be two values, for example, a column called ‘Gender’ with the two possible options of ‘Male’ or ‘Female’

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  1. Editorial Team
    Editorial Team
    2026-06-12T12:10:34+00:00Added an answer on June 12, 2026 at 12:10 pm

    use CHECK

    Gender VARCHAR(6) NOT NULL CHECK (Gender IN ('Male', 'Female'))
    

    SQLFiddle Demo

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