What is a string in database?
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What is an image database?
1)what is the difference between view and materilized view? 2)what is the difference between delete and truncate? 3)what is the difference between migration and upgration? 4)what is the difference between RMAN HOT BACKUP and normal hot backup?
What is the use of FILE option in EXP command ?
What are the parts of a table?
What are database modules?
What is rdbms table?
What is the use of OWNER option in EXP command ?
Explain issues for database performance.
how you will identify the mapping level bottleneck ? if there is a mapping level bottleneck then how will you try to improve the mapping
What does clipper stand for?
Can the SNAPSHOTS be refreshed automatically ?
what is the diff between dbms and rdbms(what are the 12 rilations in the rdbms).
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