Define cursor.
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What is a DATABLOCK ?
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?
Where is data stored in database?
Explain different types of Views ?
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What is an artificial (derived) primary key? When should it be used?
i want to know real time experience on oracle dba anybody help me please mail me aniltelkar50@gmail.com
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What do you mean by super key, primary key, foreign key and candidate key?
What do you understand by index hunting?
What is the difference between hashed file stage and sequential file stage in relates to datastage server?
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