What is the difference between delete and truncate command in dbms?
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select Nth highest salary by using rownum
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Where does the LGWR process writes information?
Explain the difference between physical and logical data independence?
What is an advantage of a database?
What is the use of PARFILE option in EXP command ?
I have 2 tables with 1 million rows each. I have updated 1 row in first and 1 million update on second table. Now I commit both the updates. Which one will commit fast and Why?
What is an entity-relationship model?
Explain what are the types of transparencies?
What is sonicmq?
Differentiate table scan from index scan.
What is a database in healthcare?
What does rdbms stand for?
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