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15 wrz 2008 · Simple if-else statement in SQL Server: DECLARE @val INT; SET @val = 15; IF @val < 25 PRINT 'Hi Ravi Anand'; ELSE PRINT 'By Ravi Anand.'; GO Nested If...else statement in SQL Server - DECLARE @val INT; SET @val = 15; IF @val < 25 PRINT 'Hi Ravi Anand.'; ELSE BEGIN IF @val < 50 PRINT 'what''s up?'; ELSE PRINT 'Bye Ravi Anand.'; END; GO
The IF ELSE statement. When the condition in the IF clause evaluates to FALSE and you want to execute another statement block, you can use the ELSE clause. The following illustrates the IF ELSE statement: IF Boolean_expression.
28 maj 2024 · The CASE statement acts as a logical IF-THEN-ELSE conditional statement. We can use it to perform conditional branching within the SELECT statement across various SQL databases , including SQL Server, MySQL, and PostgreSQL .
12 wrz 2022 · SQL ELSEIF and ELSE Condition. Like many other programming languages, T-SQL can pair the IF keyword with ELSE IF and ELSE to more easily check multiple mutually exclusive scenarios. When combined, the first statement must be a single IF statement. This can be optionally followed by one or more ELSE IF statements.
21 sie 2024 · The IF-THEN-ELSEIF-ELSE statement extends conditional logic by allowing multiple conditions to be tested sequentially. If the IF condition is false, the ELSEIF conditions are evaluated one by one. If none of the conditions are true, the ELSE block is executed.
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 optional ELSE keyword introduces another Transact-SQL statement that is executed when the IF condition isn't satisfied: the Boolean expression returns FALSE .
This is most easily accomplished in all versions of SQL Server using the CASE statement, which acts as a logical IF...THEN...ELSE expression and returns various values depending on the result. In this example below, we want to return an additional locale column that specifies whether our book takes place in Middle-earth or regular old Earth.
