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DECLARE @theDate varchar(60) SET @theDate = '''2010-01-01'' AND ''2010-08-31 23:59:59'''. SELECT AdministratorCode, SUM(Total) as theTotal, SUM(WOD.Quantity) as theQty, AVG(Total) as avgTotal, (SELECT SUM(tblWOD.Amount) FROM tblWOD. JOIN tblWO on tblWOD.OrderID = tblWO.ID.
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'
To declare a string variable, use the DECLARE keyword, then type the @variable_name and variable type: char, varchar. To assign a value to a variable, use the keyword SET. The CHAR is a data type with fixed length and loads empty spaces.
Declare a Transact-SQL variable. The DECLARE statement initializes a Transact-SQL variable by: Assigning a name. The name must have a single @ as the first character. Assigning a system-supplied or user-defined data type and a length. For numeric variables, a precision and scale are also assigned.
18 lis 2019 · The DECLARE statement is used to declare a variable in SQL Server. In the second step, we have to specify the name of the variable. Local variable names have to start with an at (@) sign because this rule is a syntax necessity.
16 sie 2023 · Declaring a Single SQL Variable. The T-SQL syntax for declaring a variable in SQL Server is as follows: DECLARE @variable_name data_type [= value]; Declare statement. @variable_name = variable's name. data_type = variable's data type. Value is an (optional) initial value to assign to the variable value.
23 maj 2023 · Transact-SQL reference for using DECLARE to define local variables for use in a batch or procedure.
