1. how do you delete duplicate rows in a table? 2. can you disable and enable primary key? 3. how do you move tables from one tablespace to another tablespace?????

2 Answers   Genpact,

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If we issue alter database begin backup. What happens to database?

2 Answers  

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1)how to Take Backup in sql server 2005 from Flash Drive

1 Answers  

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In oracle 10g export, import if we declare rows=y/n what would be the output?

0 Answers   Value Labs,

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What are the different types of database compression introduced in sql server 2008? : sql server DBA

0 Answers  

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WHEN DOWN TIME WHAT CAN U DO?

1 Answers   TCS,

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what is the differnce between process and thread ?

1 Answers   IBM,

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what are the differences of where and if in SAS?

0 Answers  

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Explain the difference between a data block, an extent and a segment.

2 Answers  

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Explain materialized views and how they are used.

0 Answers  

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Query processing is slow(eg select query)how will u solve that

3 Answers   TCS,

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What would you use to improve performance on an insert statement that places millions of rows into that table?

2 Answers   TCS,

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