by
Mohamed El Desouki
[email protected]
Tel :00966 553450836
جامعة سلمان بن عبد العزيز - السعودية - الخرج

in this lecture we explain lesson 3 from section 14 of the course , it covers Managing constrains
1- To Add constraints to existing table
2- To Drop Constrains
3- To Enable and Disable constraints