Database Management Systems (DBMS)
In computer science, Query optimizer refers to which of the following?
Difficulty: Hard
- A. A database property ensuring that relationships between tables remain consistent, typically enforced through foreign keys.
- B. A precompiled collection of SQL statements stored in a database that can be executed as a single unit.
- C. A large, centralized repository of integrated data from multiple sources used for reporting and analysis.
- D. A DBMS component that determines the most efficient way to execute a given database query. ✓
Correct answer
D. A DBMS component that determines the most efficient way to execute a given database query.
Correct answer
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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