about views advantages of views than stored procedures

about stored procedures and advantages of stored procedures

and much more

difference between sql and plsql

different types of joins with examples

how to use group by along with aggregate functions

about having and difference between where and having

what is where how to useit

About aggregate functions

About INSERT,UPDATE,DELETE

functions in sql

what is SQL

Installation of oracle 9i

How to create database

Architecture of Oracle 9i

About oracle 9i