How to rename an index in oracle?
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What are the composite date types in oracle?
what is shell?
How to drop an index?
emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example
Which is faster join or subquery in oracle?
What is SQL Tuning Advisor in Oracle?
Explain oracle data types with examples?
I just want to maintain data like an employee can belongs to 3 or more departments . We can resolve this by using composite key but it avoids normalization rules. So Can anyone tell me how can I maintain data.
What is an oracle cursor variable?
waht is referencial integrity?
when i run my query on yesterday it is fast but today it is slow why?
What is a data lock in oracle?