How to view the tablespaces in the current database?
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what diffrence between function and procedure?
What types of joins are used in writing subqueries?
How to drop an index in oracle?
What are the composite date types in oracle?
how to insert the image in table
What is E-R diagram ?
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how many types of index?
What is a sub query and what are the different types of subqueries?
What is the difference between hot backup and cold backup in oracle?
Explain what are clusters?
i have a question here... As of my knowledge, when we apply an index (b-tree)on a column, internally it arranges the data in b-tree format and do the fetching process correspondingly... and my quetion is... How a bit-map index arranges the data internally when applied on a column?IS it in b-tree format or whatelse?
Where do you use decode and case statements?