A(n) _____ is the association between entities. a. relationship b. functional dependency c. attribute d. qualification
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Consider the given relation and functional dependencies $R(A B C)$ $F D=(A B \rightarrow C$ $C \rightarrow A)$ The relation is in which normal form? (A) $1 \mathrm{NF}$ (B) $2 \mathrm{NF}$ (C) $3 \mathrm{NF}$ (D) BCNF
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Which of the following is not a step of database design? a. Identify the entities involved b. Identify the unique identifiers for the entities c. Identify the attributes for all the entities d. Identify the functional dependencies that exist among the attributes e. All of the above f. None of the above Data anomalies are classified into which of the following four categories? a. Updates, additions, deletions, and concurrent data b. Updates, additions, deletions, and consistent data c. Updates, additions, deletions, and inconsistent data d. Updates, additions, deletions, and unnormalized data What is an attribute? a. An attribute is another name for relationship. b. An attribute is another name for entity. c. An attribute is a property of an entity. d. An attribute is a property of a relationship. What is a relationship? a. A relationship is an association between two attributes. b. A relationship is an association between entity and attribute. c. A relationship is an association between two entities. d. A relationship is an association between two relations.
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