i can create a view with two columns from emp table,, later
i need to add one more emp column to existing view.. what is
query
similarly add one more column to existing primary key
constraint.. please give me the solutions
Answer Posted / venki
CREATE OR REPLACE VIEW VIEW_NAME AS SELECT COL1,COL2,REQ_COL
FROM EMP;
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
What is an external table?
How to use an explicit cursor without open statements?
Explain the use of analyse option in exp command.
Why is oracle used?
How to fetch the row which has the max value for a column?
How do we get field detail of a table?
What is oracle server autotrace in oracle?
What is null value in oracle?
How can we find out the current date and time in oracle?
What is the oracle implicit cursor?
What is a data lock in oracle?
What is dynamic proxy?
What do you understand by a database object?
How to convert numbers to characters in oracle?
What happens in oracle commit?