A row of a relation is called
Correct answer: C. Tuple
- A. Attribute
- B. Entity
- C. Tuple
- D. Field
Explanation
In the context of databases, a tuple is a single row of data in a table. It represents a single record or instance of an entity and contains a set of attributes, each of which has a value associated with it.Attribute: An attribute is a characteristic or property of an entity. In the context of a database table, an attribute is represented by a column and defines the type of data that can be stored in that column. Each attribute has a name and a domain (the set of possible values it can take).
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Databases cover tables, records, fields, keys and relationships, together with database management systems and relational database design. The subject includes primary and foreign keys, normalization, SQL commands such as SELECT, INSERT, UPDATE and DELETE, queries, forms and reports, while distinguishing a database from a spreadsheet used for simple tabular data.
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