Projects - 1) What is meant by JOINT DEPENDENCY in NORMALIZATION? Give Details.2) What is a MULTIVALUED DEPENDE

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1) What is meant by JOINT DEPENDENCY in NORMALIZATION? Give Details.

2) What is a MULTIVALUED DEPENDENCY? Explain.

Total Answers and Comments: 1

Last Update: December 29, 2006 Asked by: fenum

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December 29, 2006 10:56:15

sravan

RE: 1) What is meant by JOINT DEPENDENCY in NORMALIZAT...

u see.....joint dependency means that.........when u decompose tables those decomposed table should satisfy JOIN dependency ...ie., when they are joined they should make the original table without any conflicts.......MULTIVALUED DEPENDENCIES means the fourth normal form.......when a table is in such a way that t1(a)=t2(a)=t3(a)=t4(a);t1(b)=t2(b) and t3(b)=t3(4);t1(c)=t3(c) and t2(c)=t4(c);this can be decomposed again with the 4th normal form.....

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