What is meant by word tuple and foriegn key
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HEY MATE!!!!!
GOOD MORNING,
TUPLE :- its algebraic symbol
foriegn key :- is it table containing its own identity
GOOD MORNING,
TUPLE :- its algebraic symbol
foriegn key :- is it table containing its own identity
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0
The value or combination of values of unique key attributes for any tuplecannot be duplicated for any othertuple in that relation. When more than one column is combined to form a unique key, their combination is used to access each row and maintain uniqueness.
I have written it by myself please mark it as the brainllist if it will help you please say thanks for this answer too. . .
I have written it by myself please mark it as the brainllist if it will help you please say thanks for this answer too. . .
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