What are virtual columns?

Question Posted / zikku

Answers were Sorted based on User's Feedback

What are virtual columns?..

Answer / shanmugavelu

Virtual column or Pseudo Columns like
rowid,rownum,sysdate,nextval,currval,uid,user

Is This Answer Correct ?

9 Yes

0 No

What are virtual columns?..

Answer / sathish

the virtual cols are rownum, rowid . like

Is This Answer Correct ?

4 Yes

1 No

More Oracle General Interview Questions

What are the restrictions in a oracle read only transaction?

2. Display the post code and the total number of purchase orders placed with creditors in that post code.

How do you find current date and time in oracle?

In which dictionary table or view would you look to determine at which time a snapshot or MVIEW last successfully refreshed?

how to clone 9i Database on to 10g Database.

How do I manually uninstall oracle client?

Please explain drop constraint oracle?

In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.

Explain oracle’s system global area (sga).

what r routers?

Is insert autocommit in oracle?

Is it possible to center an object horizontally in a repeating frame that has a variable horizontal size ?

For more Oracle General Interview Questions Click Here