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1. A relational database consists of a collection of
Choose the correct option:

  • a) Tables

  • b) Fields

  • c) Records

  • d) Keys

Fields are the column of the relation or tables. Records are each row in a relation. Keys are the constraints in a relation.

2. A ________ in a table represents a relationship among a set of values.
Choose the correct option:

  • a) Column

  • b) Key

  • c) Row

  • d) Entry

Column has only one set of values. Keys are constraints and row is one whole set of attributes. Entry is just a piece of data.

3. The term _______ is used to refer to a row.
Choose the correct option:

  • a) Attribute

  • b) Tuple

  • c) Field

  • d) Instance

Tuple is one entry of the relation with several attributes which are fields.

4. The term attribute refers to a ___________ of a table.
Choose the correct option:

  • a) Record

  • b) Column

  • c) Tuple

  • d) Key

Attribute is a specific domain in the relation which has entries of all tuples.

5. For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.
Choose the correct option:

  • a) Domain

  • b) Relation

  • c) Set

  • d) Schema

The values of the attribute should be present in the domain. Domain is a set of values permitted.

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