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  • MySQL "IF" function

    @uday.gangwar
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    The function that returns a value based on a condition is MYSQL IF function. Hence MYSQL IF function is one of the control flow functions.

    The syntax of the MySQL IF function is as follows:

    IF(expr,if_true_expr,if_false_expr)

    For example, If we have a table "address" with the column "userid, city, state, country" in which some state values are NULL. We want to print 'N/A' where the state value is null.

    SELECT userid, city, IF(state IS NULL, 'N/A', state) state,  country FROM  address;
    MySQL if function conditional function MySQL
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