What is a relational database management system?
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How to use "if" statements on multiple conditions?
when i run my query on yesterday it is fast but today it is slow why?
What is SGA ? How it is different from Ver 6.0 and Ver 7.0 ?
How to define a procedure inside another procedure?
What are the Referential actions supported by FOREIGN KEY integrity constraint ?
Is it possible to insert comments into sql statements return in the data model editor ?
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.
Why do I get unexpected characters from 8-bit character sets in weblogic jdriver for oracle?
How do you get nicely formatted results from an oracle procedure that returns a reference cursor?
What happens if variable names collide with table/column names?
Explain the use of file option in exp command.
How to add a new column to an existing table with a default value?