What is meant by a deadlock situation?
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Explain the use of record length option in exp command.
How would you best determine why your MVIEW couldnt FAST REFRESH?
SELECT * FROM (SELECT TITLE FROM MOVIE ORDER BY RANK DESC) WHERE ROWNUM > 4; when i run the above query .it produces output as NO ROWS SELECTED.why ?plz any one help me
1. How actually index will work ? 2. Why do people prefer mostly bitmap index and btree index in datawarehouse ? 3. If I use the column in aggrigate functions like max,min,count and avg and if I have a index created on that column, will it increases the performance ?
What is program global area (pga) in oracle?
How to retrieve data from an explicit cursor?
What is transport network substrate (tns) in oracle?
What is a database table in oracle?
Why is oracle database so popular?
What is Rollback Segment ?
What is the difference between truncate & delete command?
How do I escape a reserved word in oracle?