State all possible different index configurations a table can possibly have?
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Database crashes. Corruption is found scattered among the file system neither of your doing nor of Oracles. What database recovery options are available? Database is in archive log mode.
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Explain the use of owner option in exp command.
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8 Answers IBM, LeadSquared, Mastek,
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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?
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