What is the usage of merge statement?
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There are n numbers of flatfile of exactly same format are placed in a folder.Can we load these flatfile's data one by one to a single relational table by a single session??
what is the bitmap index?
How do I connect to oracle?
How to drop an index in oracle?
What is the cache hit ratio, what impact does it have on performance of an Oracle database and what is involved in tuning it?
What is the difference between a hot backup and a cold backup in oracle?
What is Normalization ?
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Explain the use of file option in exp command.
What is the difference between view and materialized view in Oracle?
what is the syntax of ALTER command?
Can we insert data in view oracle?
What are the general rules on data consistency?