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Exercise

Creating and using variables

In T-SQL, to create a variable you use the DECLARE statement. The variables must have an at sign (@) as their first character. Like most things in T-SQL, variables are not case sensitive. To assign a value to a variable, you can either use the keyword SET or a SELECT statement, then the variable name followed by an equal sign and a value.

Instructions 1/2
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  • Create an integer variable named counter.
  • Assign the value 20 to this variable.
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