Database Management Systems (DBMS)
What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations?
Difficulty: Hard
About this MCQ
This Hard Database Management Systems (DBMS) MCQ checks one syllabus fact.
The question is: “What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations?”
The accepted answer is D. Concurrency control. Concurrency control is the fact required by What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations option D Option A Third normal form NF does not match the stem it is a near-miss used to catch incomplete recall of Concurrency control Option B Relational database does not match the stem it is a near-miss used to catch incomplete recall of Concurrency control Remaining alternatives Query optimizer fall outside the same rule and should be eliminated once Concurrency control is identified Database Management Systems DBMS questions of this type reward precise definitions rather than approximate associations Database Management Systems DBMS recall of this distinction is a regular item in.
- A. Third normal form (3NF)
Why not A: “Third normal form (3NF)” is not correct. The accepted answer is D. Concurrency control. Concurrency control is the fact required by What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations option D Option
- B. Relational database
Why not B: “Relational database” is not correct. The accepted answer is D. Concurrency control. Concurrency control is the fact required by What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations option D Option
- C. Query optimizer
Why not C: “Query optimizer” is not correct. The accepted answer is D. Concurrency control. Concurrency control is the fact required by What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations option D Option
- D. Concurrency control ✓
Correct answer
D. Concurrency control
Explanation
Concurrency control is the fact required by What is the name for a set of techniques used in a DBMS to ensure correct results for concurrent transaction operations option D Option A Third normal form NF does not match the stem it is a near-miss used to catch incomplete recall of Concurrency control Option B Relational database does not match the stem it is a near-miss used to catch incomplete recall of Concurrency control Remaining alternatives Query optimizer fall outside the same rule and should be eliminated once Concurrency control is identified Database Management Systems DBMS questions of this type reward precise definitions rather than approximate associations Database Management Systems DBMS recall of this distinction is a regular item in.
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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