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MrRissso [65]
3 years ago
9

The relational database is the primary method for organizing and maintaining data today in information systems. It organizes dat

a in two-dimensional tables with rows and columns called relations. In a database, __________ is used to uniquely identify each record for retrieval or manipulation.
Computers and Technology
1 answer:
levacccp [35]3 years ago
5 0

Answer:

A key field is used to uniquely identify each record for retrieval or manipulation.

Explanation:

In a database there are many, having similar entities. So in order to differentiate each entity from other we need to set a key field among all the field which is always unique for each entity.

For example:

In a database of a company having data about its employees, the key field might be their ID. As some employees can have same names, addresses, phone numbers but cannot have the same ID.

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