... variables, you need to initialize them before you can use them. Initialing Local Variables in T-SQL To initialize the variables, you will use the SET command, shown in these two lines of code: SET ... setting the initial values, you are then ready to use the variables within the rest of your procedure, any way that you need them, again, by using the @varname syntax. Utilizing Built -In Functions ... @Order_Date Declaring Local Variables in T-SQL You can use variables in T-SQL much like you would in your other coding languages. First, you must declare them. To declare variables in T-SQL, you...