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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-expression - something that produces a value. when-expression-x - something that is compared against the case-expression. value-1 - the result of the CASE statement if: the when-expression == case-expression.
The searched CASE expression evaluates a set of Boolean expressions to determine the result. Both formats support an optional ELSE argument. CASE can be used in any statement or clause that allows a valid expression.
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.
28 cze 2024 · Zasady dla prostych przypadków. Simple Case umożliwia jedynie sprawdzenie równości wyrażenia Case_Expression z wartością_1 do wartości_N. Wyrażenie_przypadku jest porównywane z wartością w kolejności rozpoczynającej się od pierwszej wartości, tj. wartości_1.
SQL Server CASE expression evaluates a list of conditions and returns one of the multiple specified results. The CASE expression has two formats: simple CASE expression and searched CASE expression. Both of CASE expression formats support an optional ELSE statement.
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.
