by Mohamed El Desouki [email protected] Tel :00966 553450836 جامعة سلمان بن عبد العزيز – السعودية – الخرج in this lecture we explain lesson 1 from section 13 of the course , it covers the following 1- what is DDL ? 2- introduction to the different types of the Database Objects? 3– what is Data Dictionary ? 4–the Create Table sql statement . 5- Object Browser