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The IF() function returns a value if a condition is TRUE, or another value if a condition is FALSE. Syntax
IF(type = 'P', amount, amount * -1) as amount. See https://dev.mysql.com/doc/refman/8.0/en/flow-control-functions.html. Additionally, you could handle when the condition is null. In the case of a null amount: IF(type = 'P', IFNULL(amount,0), IFNULL(amount,0) * -1) as amount.
If a given search_condition evaluates to true, the corresponding THEN or ELSEIF clause statement_list executes. If no search_condition matches, the ELSE clause statement_list executes. Each statement_list consists of one or more SQL statements; an empty statement_list is not permitted. An IF ...
The TIME_FORMAT() function allows you to format a time value according to a specific format. Here’s the syntax of the TIME_FORMAT() function: TIME_FORMAT(time, format) Code language: SQL (Structured Query Language) (sql) In this syntax: time: The time value that you want to format.
11 lip 2024 · -- This SQL statement uses the IF function to return a specific value based on the evaluation of a condition -- Explanation: The query evaluates the condition '1 > 3' and returns 'true' if the condition is true, otherwise it returns 'false'.
6 cze 2024 · The IF() function in MySQL returns a value if the condition is TRUE and another value if the condition is FALSE. The MySQL IF() function can return values that can be either numeric or strings, depending upon the context in which the function is used.
3 sie 2014 · STR_TO_DATE() returns a DATETIME value if the format string contains both date and time parts, or a DATE or TIME value if the string contains only date or time parts. If str or format is NULL , the function returns NULL .
