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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: CASE WHEN column=value1 THEN 1 WHEN column=value3 THEN 2 WHEN column=value3 THEN 3 WHEN column=value1 THEN 4 ELSE '' END
3 wrz 2024 · 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.
The SQL CASE expression allows you to evaluate a list of conditions and returns one of the possible results. The CASE expression has two formats: simple CASE and searched CASE. You can use the CASE expression in a clause or statement that allows a valid expression.
2 cze 2023 · What Does the SQL CASE Statement Do? The CASE statement allows you to perform an IF-THEN-ELSE check within an SQL statement. It’s good for displaying a value in the SELECT query based on logic that you have defined.
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. Solution. The CASE expression is used to build IF … THEN … ELSE statements into your Microsoft SQL Server T-SQL code.
In this syntax, the CASE statement evaluates each WHEN condition in order, returning the corresponding result when a condition is true. If none of the conditions are true, the statement returns the result specified in the ELSE clause.
