What is varchar sql?
What is the difference between numeric and autonumber?
Describe the Index, Types of index, At what situation we have used? Which one s better than others?
I want to know the difference between A Record Type and a Table.
1> how are u debugging in plsql ? 2> how to connect oracle database from unix. is there ne way other than using sqlplus ?
What is a join?
What is count * in sql?
What is the purpose of cursors in pl/sql?
What are the advantages of the packages
What are sql queries used for?
What type of database is sql?
How do I copy a table in sql?
Can a table have no primary key?