How do I do an if loop in SQL?
IF… Else statement 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 do you do multiple If in SQL?
If you are checking conditions against multiple variables then you would have to go for multiple IF Statements, Each block of code will be executed independently from other blocks. ELSE IF(@ID IS NOT NULL AND @ID in (SELECT ID FROM Places)) — Outer Most Block ELSE IF BEGIN SELECT @MyName = Name …
How do you end an IF statement in SQL?
There is no ENDIF in SQL. The statement directly followig an IF is execute only when the if expression is true.
How does the if statement work in SQL?
The IF-THEN statement allows you to execute a set of SQL statements based on a specified condition. The following illustrates the syntax of the IF-THEN statement: First, specify a condition to execute the code between the IF-THEN and END IF . If the condition evaluates to TRUE, the statements between IF-THEN and END IF will execute.
What is the syntax of if else in SQL Server?
SQL If Else Statement Syntax. The syntax of the If Else in SQL Server is. IF (Test condition or Expression) BEGIN — If the condition is TRUE then these statements will be executed True statements; END ELSE BEGIN — If the condition is FALSE then these statements will be executed False statements; END.
How to nest if else statement in SQL Server?
SQL Server allows you to nest an IF…ELSE statement within inside another IF…ELSE statement, see the following example: Second, the output IF statement check if @x is greater than zero. Because @x is set to 10, the condition ( @x > 10) is true. Therefore, the nested IF statement executes.
When to use IF THEN ELSE statement in MySQL?
MySQL IF-THEN-ELSE statement In case you want to execute other statements when the condition in the IF branch does not evaluate to TRUE, you can use the IF-THEN-ELSE statement as follows: IF condition THEN statements; ELSE else-statements; END IF; Code language: SQL (Structured Query Language) (sql)