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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. If no conditions are true, it returns the value in the ELSE clause.
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CASE WHEN Quantity > 30 THEN 'The quantity is greater than...
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SQL Statement: SELECT CustomerName, City, Country FROM...
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13 cze 2021 · Case statement syntax in SQL SERVER: CASE column WHEN value1 THEN 1 WHEN value3 THEN 2 WHEN value3 THEN 3 WHEN value1 THEN 4 ELSE '' END And we can use like below also:
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.
2 cze 2023 · The SQL CASE statements lets you implement conditional logic directly in SQL. Learn all about the SQL CASE statement (plus examples) in this guide.
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. Transact-SQL syntax conventions.
22 sie 2024 · The CASE 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.
20 kwi 2021 · 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.
