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My use case was that I wanted to set a variable to a string. All the other answers here show how to set a variable using the output of a SELECT statement. Here's how to do it with a simple string: DECLARE @ModelID varchar(60) = 'Model T'
8 lip 2024 · Set a value in a Transact-SQL variable. When a variable is first declared, its value is set to NULL. To assign a value to a variable, use the SET statement. This is the preferred method of assigning a value to a variable. A variable can also have a value assigned by being referenced in the select list of a SELECT statement.
7 mar 2021 · Learn how to use SQL variables in queries to make your SELECT statements accept a greater variety of conditions.
30 kwi 2015 · If you are looking to set the ID variable parameter, you need to specify it as an OUTPUT parameter, and set it's value in your query:
18 lis 2019 · SQL Server offers two different methods to assign values into variables except for initial value assignment. The first option is to use the SET statement and the second one is to use the SELECT statement.
12 lut 2024 · The syntax for SELECT INTO @variable. DECLARE @VariableName DataType; SELECT @VariableName = ColumnName. FROM TableName. WHERE Conditions; Here, DECLARE @VariableName DataType: This line declares a variable with a specified data type.
28 cze 2024 · Examples of Declaring a variable. Query: With ‘AS’ DECLARE @COURSE_ID AS INT; Query: Without ‘AS’ DECLARE @COURSE_NAME VARCHAR (10); Query: DECLARE two variables. DECLARE @COURSE_ID AS INT, @COURSE_NAME VARCHAR (10); Assigning a value to SQL Variable. You can assign a value to a variable in the following three ways:
