Answer Posted / soujanya
A pseudocolumn behaves like a table column, but is not
actually stored in the table. You can select from
pseudocolumns, but you cannot insert, update, or delete
their values.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
How to use subqueries in the from clause in oracle?
What is a package in oracle?
How to use "in out" parameter properly?
How to establish administrator authentication to the server?
What is a nested table?
WHEN CURSOR MOVES FROM ONE FORM TO ANOTHER FORM, HOW MANY TRIGGER WILL BE FIRED AND WHAT ARE THEIR SEQUENCE?
What privilege is needed for a user to connect to oracle server?
Explain compound trigger in oracle?
What is the relationship among database, tablespace and data file?
How to divide query output into groups in oracle?
What is the difference between a hot backup and a cold backup in oracle?
How to open a cursor variable?
how the indexes are stored in the Oracle Database?
What is the difference between hot backup and cold backup in oracle?
What are the differences between date and timestamp in oracle?