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Case in sql server.
SQL CASE Statement
The statement in SQL is a versatile conditional expression that enables us to incorporate conditional logic directly within our queries.
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It allows you to return specific results based on certain conditions, enabling dynamic query outputs. Whether you need to create new columns, modify existing ones, or customize the output of your queries, the CASE statement can handle it all.
In this article, we’ll learn the SQL CASE statement in detail, with clear examples and use cases that show how to leverage this feature to improve your SQL queries.
CASE Statement in SQL
- The statement in SQL is a conditional expression that allows you to perform conditional logic within a query.
- It is commonly used to create new columns based on conditional logic, provide custom values, or control query outputs based on certain conditions.
- If no condition is true then the ELSE part will be executed.
If there is no ELSE part then it returns NULL.
Syntax:
To use CASE Statement in SQL, use the following syntax:
CASE case_value
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