News
Database developers often disagree about whether it’s better to use naturally occurring data or meaningless values as a table’s primary key. Technically, there is no right or wrong to this ...
When you create a Microsoft Access table, Access will automatically create a primary key to your database table, but you can also specify the field you want as the primary key for your database table.
A primary key is a field used to uniquely identify every record in the database. Sometime primary keys are obvious, for example a car license plate could be used to uniquely identify cars.
When building up a logical design, primary keys should be identified by the actual data points ... Generated keys can be a useful tool in creating logical database designs, but they can be easily over ...
the SQLite database engine automatically assigns unique rowid values distinct from my table's Id primary key, which isn't really the primary key. There are, of course, a few exceptions. SQLite will ...
Surrogate means a stand-in, a substitute. Surrogate keys take the place of a natural key as the primary key within a database table. Ideally, surrogate keys stand in the shadows and are used in ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results