You plan to create two tables Table1 and Table2. Both tables will have a field of type string that has a length of 15 and is named Customer Number. The tables will have a relation on the Customer…

You plan to create two tables Table1 and Table2. Both tables will have a field of type string that has a length of 15 and is named Customer Number. The tables will have a relation on the Customer Number field. You need to ensure that the string length of Customer Number is identical in both tables. The solution must ensure that if any relations on the Customer Number field are added to other tables, the additional tables will have the same string length for Customer Number. What should you use?