Answer Posted / anand

Yes table can have two or more primary key,when we want to
create more then one primary we use unique constranit with
not null or we can create with triggre.

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965

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1052

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1069

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985

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1133

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1088

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1063

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The in operator may be used if you know the exact value you want to return for at least one of the columns.

1134

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1189

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969

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981

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What does sql stand for?

998

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2279

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975

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