What is 1nf?
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How index hunting contributes in improving the query performance?
There are 100 datafiles, numbered from 1 to 100. File number 10 is deleted and it has 500 MB of data. The database is working in archive log mode. How can be the database recovered ? While doing recovery the archive logs applied are from nos 1 to 100, but 50 gets corrupted. What do we do? Can we proceed further? If so how?
What are partitions in database?
what is Data Definiton Language ?
what is the use of SYSTEM.EFFECTIVE.DATE varaible ?
what is candidate key & primary key,different b/t the two?
What are the applications of database?
What is " group by " clause?
When do you get a .PLL extension ?
i have all the Oracle Certification material from 1z0-001 to 1Z0-643, if required just drop me a mail to: summi4you@yahoo.co.in
What is a Federated Query ?
How do I check my drivers?
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