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@RamSingh - there's no switch statement in the SQL language. As others have indicated, you can use a CASE expression, but it has to compute and return a scalar value. –
30 sie 2022 · This article provides you implementation details of SQL server switch case statement and how to use it with examples
17 wrz 2021 · The switch function is simpler to write and read as it uses a 1 to 1 setup with the logical statement first and then resulting value second. It allows as many lines as needed and also allows for compound criteria in the logical argument.
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.
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.
12 wrz 2018 · The Case statement in SQL is mostly used in a case with equality expressions. The SQL Case statement is usually inside of a Select list to alter the output. What it does is evaluates a list of conditions and returns one of the multiple possible result expressions.
11 lut 2020 · Using the SQL Server CASE statement to get aggregations for subsets in different columns. The CASE statement can be very helpful when there is a need to aggregate the data for different subsets and represent the results for each subset in separate columns.
