how many outer joins are used in a single sql query? is there any limitations for using of outer joins?
2 8715In 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 7520Do you know about aggregate functions? What is row num function? Can it be used all databases?
1 4119Post New Cap Gemini Oracle General Interview Questions
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