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Mohamad Eskandarane Questions
11022 Questions
Which of the following is not a restriction for a table to be a relation?
Database
2022-07-14
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Table is synonymous with the term:
Database
2022-07-14
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In the relational model, relationships between relations or tables are created by using:
Database
2022-07-14
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382
A relation is considered a:
Database
2022-07-14
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390
Which of the following is a group of one or more attributes that uniquely identifies a row?
Database
2022-07-14
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The primary key is selected from the:
Database
2022-07-14
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386
Row is synonymous with the term:
Database
2022-07-14
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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
Database
2022-07-14
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461
The ______ is the one in which the primary key of one relation is used as a normal attribute in another relation
Database
2022-07-14
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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
Database
2022-07-14
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A attribute in a relation is a foreign key if the _______ key from one relation is used as an attribute in that relation
Database
2022-07-14
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443
Which one of the following cannot be taken as a primary key ?
Database
2022-07-14
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Which one of the following attribute can be taken as a primary key ?
Database
2022-07-14
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455
Total:
11022
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