Good primary keys are essential to good database design. They let you query and modify each table row individually without changing other rows in the same table. When you evaluate candidates for a table's primary key, follow these rules:
published by
ITGeek 1 year ago
Once you’ve decided upon and drafted the tables and fields you believe that you will require in your database, the next stage is to enter some sample data in the tables and look for any potential problems with maintaining the data.
published by
ITGeek 1 year ago