Q. Which one of the following attribute can be taken as a primary key ?

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Q. Which one of the following cannot be taken as a primary key ?

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Q. A attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation .

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Q. The relation with the attribute which is the primary key is referenced in another relation. The relation which has the attribute as primary key is called

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Q. The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation .

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Q. A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

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Q. Row is synonymous with the term:

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Q. The primary key is selected from the:

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Q. Which of the following is a group of one or more attributes that uniquely identifies a row?

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Q. A relation is considered a:

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Q. In the relational model, relationships between relations or tables are created by using:

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Q. Table is synonymous with the term:

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Q. Which of the following is not a restriction for a table to be a relation?

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Q. A key:

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Q. An attribute is a(n):

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Q. A tuple is a(n):

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Q. In the relational models, cardinality is termed as:

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Q. In a relational model, relations are termed as

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Q. A relational database developer refers to a record as

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Q. The relational model feature is that there

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