The names of variables must begin with @ : Declare « Transact SQL « SQL Server / T-SQL Tutorial






  1. SQL Server / T-SQL Tutorial
  2. Transact SQL
  3. Declare
5>
6> Declare @LastName varchar(50)
7> GO
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20.1.Declare
20.1.1.The DECLARE statement has a pretty simple syntax:
20.1.2.It is possible to define several variables in a single Declare statement.
20.1.3.The names of variables must begin with @
20.1.4.Simple SELECT query written using variables for field names.
20.1.5.Declare a table type variable and query it
20.1.6.DECLARE @Out Int (get value out of a procedure)
20.1.7.DECLARE @Out Int