Database Management Systems (DBMS)
What is Denormalization primarily used for?
Difficulty: Hard
About this MCQ
This Hard Database Management Systems (DBMS) MCQ checks one syllabus fact.
The question is: “What is Denormalization primarily used for?”
The accepted answer is C. The process of intentionally introducing redundancy into a database to improve read performance.. The process of intentionally introducing redundancy into a database to improve read performance is the fact required by What is Denormalization primarily used for option C Option A A minimal set of attributes that can uniquely identify a record in a table does not match the stem it is a near-miss used to catch incomplete recall of The process of intentionally introducing redundancy into a database to improve read performance Option B A set of properties Atomicity Consistency Isolation Durability that guarantee reliable database transactions does not match the stem it is a near-miss used to catch incomplete recall of The process of intentionally introducing redundancy into a database to improve read performance Remaining alternatives A virtual table based on.
- A. A minimal set of attributes that can uniquely identify a record in a table.
Why not A: “A minimal set of attributes that can uniquely identify a record in a table.” is not correct. The accepted answer is C. The process of intentionally introducing redundancy into a database to improve read performance.. The process of intentionally introducing redundancy into a database to improve read performance is the fact required by What is Denormalization primarily used for option C Option A
- B. A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions.
Why not B: “A set of properties (Atomicity, Consistency, Isolation, Durability) that guarantee reliable database transactions.” is not correct. The accepted answer is C. The process of intentionally introducing redundancy into a database to improve read performance.. The process of intentionally introducing redundancy into a database to improve read performance is the fact required by What is Denormalization primarily used for option C Option A
- C. The process of intentionally introducing redundancy into a database to improve read performance. ✓
- D. A virtual table based on the result of a stored SQL query.
Why not D: “A virtual table based on the result of a stored SQL query.” is not correct. The accepted answer is C. The process of intentionally introducing redundancy into a database to improve read performance.. The process of intentionally introducing redundancy into a database to improve read performance is the fact required by What is Denormalization primarily used for option C Option A
Correct answer
C. The process of intentionally introducing redundancy into a database to improve read performance.
Explanation
The process of intentionally introducing redundancy into a database to improve read performance is the fact required by What is Denormalization primarily used for option C Option A A minimal set of attributes that can uniquely identify a record in a table does not match the stem it is a near-miss used to catch incomplete recall of The process of intentionally introducing redundancy into a database to improve read performance Option B A set of properties Atomicity Consistency Isolation Durability that guarantee reliable database transactions does not match the stem it is a near-miss used to catch incomplete recall of The process of intentionally introducing redundancy into a database to improve read performance Remaining alternatives A virtual table based on.
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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