Database Management Systems (DBMS)
The following statement describes a specific concept. What is it called? a key formed by combining two or more columns to uniquely identify a row in a table.
Difficulty: Medium
- A. Data Manipulation Language (DML)
- B. Data Definition Language (DDL)
- C. Composite key ✓
- D. Concurrency control
Correct answer
C. Composite key
Correct answer
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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