Author : A. Ahmed, Ahmed
journal of kerbala university,
2009, Volume 5, Issue 4, Pages 31-46
The sales system is a data base system used to store and retrieve all information of sales and customers. In this system, we can input, update and delete information of sales.
The system is created using Oracle 9 and Developer 6. Oracle has many advantages for building data base such as privileges and priorities for system users which are duties of Data Base Administrator (DBA).