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Explain drop constraint oracle?
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Explain what are the uses of rollback segment?
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 are the oracle built-in data types?
what is primary key and foreign key when and where have to use
Please explan Why static query is more faster than dynamic query ?
If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied ?
how to find out largest value in a table
What is a shared pool?
What is the difference between sharding and replication?
How can we force the database to use the user specified rollback segment?
What is meant by joins?
ur a sql devoloper...what is the process in ur company for finding the database BUGS .. seperate DB testers are there? or devr.s are manage? if DB TESTERS in there what is the process
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