What is a data lock in oracle?
Explain the use of rows option in exp command.
What is a named program unit?
State the difference between a primary key and foreign key?
how to find count rows in table without count function?
Is oracle an operator?
Explain 1st, 2nd, 3rd normalization form of data base
Can a primary key contain more than one columns?
How to get a list of all tables in the database?
3. Display all the client numbers in the ORDER table. Remove duplicates.
definition of cluster and non-clustered index?
What is an Integrity Constrains ?
What is dictionary cache ?