by Mohamed El Desouki [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز – السعودية – الخرج in this lecture we explain section 1 of the course , it covers the following 1- what Relational database is ? 2- what are the table properties ? 3– what are the SQL statements categories ? 4– what is DDL , DML, DCL and TCL ? Download Course Material From Here : https://drive.google.com/file/d/0B4WuWl1d_jyba19PQ3d0RWtvWEk/view?usp=sharing