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15 wrz 2008 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST( CASE. WHEN Obsolete = 'N' or InStock = 'Y' THEN 1. ELSE 0. END AS bit) as Saleable, * FROM Product. You only need to use the CAST operator if you want the result as a Boolean value. If you are happy with an int, this works: SELECT CASE.
Imposes conditions on the execution of a Transact-SQL statement. The Transact-SQL statement that follows an IF keyword and its condition is executed if the condition is satisfied: the Boolean expression returns TRUE.
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); Try it Yourself » Example.
Learn how to use the IF...ELSE statement to execute or skip a statement block based on a condition in SQL Server. See syntax, examples, and nested IF...ELSE statements.
30 lis 2019 · Instrukcję IF THEN ELSE w SQL Server możemy używać w T-SQL m. in. w blokach anonimowych, procedurach, funkcjach, triggerach. Składnia T-SQL If Then Else wygląda następująco:--tomaszkenig.pl IF Boolean_expression_1 {...polecenie wykonywane, gdy warunek_1 jest spełniony - ma wartość TRUE...}
12 wrz 2022 · Learn how to use the IF statement in T-SQL to execute code only if certain conditions are met. See examples of single and multiple statement IF, IF with BEGIN and END, and IF with ELSE IF and ELSE.
28 maj 2024 · We can use either a CASE statement or an IIF() function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects such as SQL Server, MySQL, and PostgreSQL.
