The SQL CASE Expression. The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result.

Transact-SQL reference for the CASE expression. CASE evaluates a list of conditions to return specific results.

This tutorial shows you how to use two forms of SQL CASE expressions including simple CASE and searched CASE expressions.

2024年12月10日 · What is a CASE statement in SQL? The CASE statement in SQL is a conditional expression that allows you to execute different logic based on certain conditions within a query. It is used to create new columns, customize values, or modify query outputs depending on specified criteria.

2023年6月28日 · SQL case statements are a versatile and powerful tool in the database programmer’s arsenal. They provide a method for performing conditional expressions within SQL queries and stored procedures. With case statements, users can evaluate conditions and return a value or perform different actions based on the result of the evaluation.

The SQL CASE statement is used to check conditions and perform tasks on each row while selecting data. In this tutorial, you will learn about the SQL CASE statement with the help of examples.

2021年4月20日 · In the T-SQL scripting language, you can use the SQL CASE statement to evaluate a condition and return one or more result expressions. This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements.

2021年8月17日 · Explore CASE in SQL and master conditional logic with our comprehensive guide on the CASE statement. Includes practical examples and best practices.

2019年4月1日 · The case statement in SQL returns a value on a specified condition. We can use a Case statement in select queries along with Where, Order By, and Group By clause. It can be used in the Insert statement as well. In this article, we would explore the CASE statement and its various use cases.

2021年3月31日 · In SQL, the CASE expression works like an "if-then-else" statement within a query. It evaluates given conditions and returns specific values based on those conditions. For example, CASE can categorize data or apply calculations to certain groups of values.