Flow Control
Explore how to apply flow control in T-SQL by using IF ELSE constructs, including nested statements and the EXISTS operator. Understand how to execute conditional logic within queries to create more dynamic and responsive database operations.
We'll cover the following...
We'll cover the following...
T-SQL can be considered a programming language because we can add conditional logic to our T-SQL queries. In other words, T-SQL supports the IF…ELSE construct, like the majority of procedural programming languages.
Syntax
The IF…ELSE construct has this syntax in T-SQL:
IF [Condition]
BEGIN
[Actions to perform if the condition is true]
END
ELSE
BEGIN
[Actions to per