A Join in Which the Joining Condition Is Based on Equality

question 24

Multiple Choice

A join in which the joining condition is based on equality between values in the common columns is called a(n) :

• A) equi-join.
• B) unilateral join.
• C) natural join.
• D) both A and C.

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Definitions:

Student ID Number

A unique number assigned to students by educational institutions for identification and administrative purposes.

Database

An organized collection of structured information, or data, typically stored electronically in a computer system, and accessed using a database management system (DBMS).

Filter

In a database, temporarily displays records that match certain criteria.

Completeness Check

In a database, ensures that all required fields have been completed.