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Definition and Usage. The IF () function returns a value if a condition is TRUE, or another value if a condition is FALSE. Syntax. IF (condition, value_if_true, value_if_false) Parameter Values. Technical Details. More Examples. Example. Return 5 if the condition is TRUE, or 10 if the condition is FALSE: SELECT IF(500<1000, 5, 10);
1 cze 2022 · In this article, we will explain the diversities of MySQL IF function and MySQL IF statement and show their usage examples. Also, we will review other MySQL functions.
Summary. Use IF...THEN statement to conditionally execute a block of statements based on the evaluation of a specified condition. Use IF...THEN...ELSE statement to execute a block of statements if a specified condition is true and an alternative block of statements if the condition is false.
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.
Introduction to MySQL IF function. MySQL IF function is one of the MySQL control flow functions that returns a value based on a condition. The IF function is sometimes referred to as IF ELSE or IF THEN ELSE function. The syntax of the MySQL IF function is as follows: IF(expr,if_true_expr,if_false_expr) Code language: SQL (Structured Query ...
11 lip 2024 · SELECT IF (1 > 3, 'true', 'false'); -- The IF function checks if the condition '1 > 3' is true; if it is, it returns 'true', otherwise it returns 'false'. Explanation: The SELECT statement is used to evaluate expressions and return the result.
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.
