In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?

4 Answers   Cap Gemini,

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7 Answers   BeBo Technologies, Wipro,

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6 Answers   TCS,

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14 Answers   Amazon, Cap Gemini, Infosys, Wipro,

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0 Answers  

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3 Answers  

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Whether Oracle satisfy more codd rules or db2 satisfy more codd rules? How meny of each can satisfy ? Please answer me. Advance thanks

2 Answers   IBM,

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1 Answers  

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what are corelated subqueries

1 Answers   Global Infotech,

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