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SY Common ISE ODD 25-26

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Consider

the relation R(A, B, C) with functional dependencies: A → B and B → C.

Which normal form does R

violate?

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Aggregation in ER modeling is used when:
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Which of

the following anomalies can normalization help to remove?

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Consider

the relation NewsPaper(PaperName, ArticleNo, Reporter, Editor) with the fol-

lowing

functional dependencies:

FD1: {PaperName,

ArticleNog} -> Reporter

FD2: {ArticleNo,

Reporterg} -> Editor

Which of the following decompositions

allow the relations to be in BCNF?

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In

Boyce-Codd Normal Form (BCNF), every,

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Mapping of a multivalued attribute in ER → Relational model results in:

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Which of

the following statements best defines a functional dependency?

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Which SQL command is used to remove all rows from a table without removing the table structure?

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A transaction reading uncommitted data from another transaction violates which isolation property?

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In ACID properties, which property ensures that once a transaction is committed, its effects cannot be lost?

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