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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);
22 lut 2017 · In a procedure the use of an IF is pretty straight forward: IF (yourCondition [logical operator(OR, AND) another condition] ) THEN. So in a practical example: .... DECLARE m integer; DECLARE n integer; SET m = 1; SET n = 0; IF ((m>n AND m=1 AND n=0) OR m=n)THEN.
The IF statement has three forms: IF...THEN statement: Evaluate one condition and execute a code block if the condition is true. IF...THEN...ELSE statement: Evaluate one condition and execute a code block if the condition is true; otherwise, execute another code block.
21 sie 2024 · The IF-THEN statement in SQL is used to execute a block of code if a specified condition is true. If the condition evaluates to true, the code within the THEN block is executed. If the condition is false, the block is skipped. Syntax: IF condition THEN. statements; END IF; Parameters Used:
MySQL IF function Examples. Let’s practice with several examples to see how the MySQL IF function works. A simple IF function example. You can use the IF function directly in the SELECT statement without the FROM and other clauses as follows: SELECT IF (1 = 2, 'true', 'false'); -- false Code language: SQL (Structured Query Language) (sql) Try ...
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 · MySQL IF () function syntax is: IF (condition, true_value, false_value) Parameters: condition – It is used to specify the condition to be evaluated. true_value – It is an optional parameter that is used to specify the value to be returned if the condition evaluates to be true.
