Database Management Systems (DBMS)
Select the correct name for: a diagram that visually represents entities and their relationships within a database.
Difficulty: Medium
About this MCQ
This Medium Database Management Systems (DBMS) MCQ checks one syllabus fact.
The question is: “Select the correct name for: a diagram that visually represents entities and their relationships within a database.”
The accepted answer is D. Entity-Relationship (ER) diagram. Select the correct name for a diagram that visually represents entities and their relationships within a database is answered by Entity-Relationship ER diagram option D Option A SQL JOIN does not match the stem it is a near-miss used to catch incomplete recall of Entity-Relationship ER diagram Option B Database trigger does not match the stem it is a near-miss used to catch incomplete recall of Entity-Relationship ER diagram Remaining alternatives Database index fall outside the same rule and should be eliminated once Entity-Relationship ER diagram 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 FPSC PPSC NTS and.
- A. SQL JOIN
Why not A: “SQL JOIN” is not correct. The accepted answer is D. Entity-Relationship (ER) diagram. Select the correct name for a diagram that visually represents entities and their relationships within a database is answered by Entity-Relationship ER diagram option D Option A SQ
- B. Database trigger
Why not B: “Database trigger” is not correct. The accepted answer is D. Entity-Relationship (ER) diagram. Select the correct name for a diagram that visually represents entities and their relationships within a database is answered by Entity-Relationship ER diagram option D Option A SQ
- C. Database index
Why not C: “Database index” is not correct. The accepted answer is D. Entity-Relationship (ER) diagram. Select the correct name for a diagram that visually represents entities and their relationships within a database is answered by Entity-Relationship ER diagram option D Option A SQ
- D. Entity-Relationship (ER) diagram ✓
Correct answer
D. Entity-Relationship (ER) diagram
Explanation
Select the correct name for a diagram that visually represents entities and their relationships within a database is answered by Entity-Relationship ER diagram option D Option A SQL JOIN does not match the stem it is a near-miss used to catch incomplete recall of Entity-Relationship ER diagram Option B Database trigger does not match the stem it is a near-miss used to catch incomplete recall of Entity-Relationship ER diagram Remaining alternatives Database index fall outside the same rule and should be eliminated once Entity-Relationship ER diagram 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 FPSC PPSC NTS and.
Source: Database Management Systems (DBMS) Official Reference Guide
Tags: computer science, dbms, SQL, databases
Submitted by: MCQsHub Editorial
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