Get the definition of primary key, Definition of primary, super, foreign and candidate key in the DBMS.
The most popular version of this product among our users is 3.0.
Provide openings statistics, automatic game analysis, andtrainings modules for chess openings, tactics and chess endgames – plus adatabase of
WATCH A sign in and return to this page to get your license keys If you have any trouble using this license key please visit our help
The product will soon be reviewed by our informers.