create and set variable sql stored procedure code example
Example 1: how to declare a variable in sql
DECLARE @COURSE_ID AS INT, @COURSE_NAME VARCHAR (10);
Example 2: declare value in sql
DECLARE { @LOCAL_VARIABLE[AS] data_type [ = value ] }
DECLARE @COURSE_ID AS INT, @COURSE_NAME VARCHAR (10);
DECLARE { @LOCAL_VARIABLE[AS] data_type [ = value ] }