What is a cursor and what are the steps need to be taken?
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What do you understand by database schema and what does it hold?
Give the various exception types.
How to store pictures on to the database?
What does ROLLBACK do ?
What is difference between SUBSTR and INSTR?
What is different types of joins?
Where is the export dump file located?
How to connect asp pages to oracle servers?
Why do we use bulk collect in oracle?
Differnce between view and index
write a query to dispaly those name who is more than one in student table? example- in a student table sandeep kumar comes 4 times, rakesh kumar comes 2 times, ajit kumar comes 1 times so query will display sandeep kumar and rakesh kumar single times.
why dont we assign not null constraint as table level constraint.