How do I write if else condition in SQL Server?
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 is not satisfied: the Boolean expression returns FALSE.
How do you end an if else in SQL?
There is no ENDIF in SQL. The statement directly followig an IF is execute only when the if expression is true.
How do you do multiple If in SQL?
Multiple IF conditions using ELSE
- — test if a condition is true. IF (condition is true) BEGIN.
- DO THING A. DO THING B. END.
- ELSE. BEGIN. DO THING C.
- DO THING D. DO THING E. END.
Can we use case in WHERE condition in SQL?
CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in clauses such as select_list, IN, WHERE, ORDER BY, and HAVING.
What should the if else statement in SQL be?
Else Syntax and rules in SQL The condition should be Boolean Expression, i.e., condition results in Boolean value when evaluated. IF ELSE statement in SQL can conditionally handle a single T-SQL statement or block of T-SQL statements. Block of statement should start with keyword BEGIN and close with keyword END.
When to execute if or else in SQL Server?
If the condition evaluates to True, then T-SQL statements followed by IF condition in SQL server will be executed. If the condition evaluates to False, then T-SQL statements followed by ELSE keyword will be executed.
How to use ” else ” in Transact-SQL?
ELSE (IF…ELSE) (Transact-SQL) 1 Syntax. To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation. 2 Arguments. Is an expression that returns TRUE or FALSE. 3 Result Types 4 Examples. 5 Examples: Azure Synapse Analytics and Parallel Data Warehouse. 6 See Also
What happens if condition evaluates to false in T-SQL?
If the condition evaluates to False, then T-SQL statements followed by ELSE keyword will be executed. Once, either IF T-SQL statements or ELSE T-SQL statement is executed, then other unconditional T-SQL statements continues execution.