What operator tests column for the absence of data?
No Answer is Posted For this Question
Be the First to Post Answer
What is the difference between truncate and delete? Can we rollback both? How would a full table scan behave after?
what does the no logging option do? Why would we use it?
What happens if a primary key constraint is disabled and then enabled without fully specifying the index clause?
What does database administrator do?
What is dba and functionalities of dba?
What is the dba role in oracle?
You see multiple extents in the temporary tablespace. Is this a problem?
Explain the wait events in statspack report 'db scattered read', 'db sequential real', 'enqueue'?
You get a call from you backup dba while you are on vacation. He has corrupted all of the control files while playing with the alter database backup controlfile command. What do you do?
Users are not being allowed on the system. The following message is received: ora-00257 archiver is stuck. Connect internal only, until freed. What is the problem?
You look at the dba_rollback_segs view and see that you have a large number of wraps is this a problem?
When configuring sqlnet on the client what files need to be set up?