Match the following: Column 1 Column 2 A. Alter I. The ER model B. Update II.…
2026
Match the following:
Column 1 | Column 2 |
A. Alter | I. The ER model |
B. Update | II. Relationship model |
C. Rectangle | III. DDL |
D. Record | IV. DML |
- A.
A – IV, B – III, C – I, D – II
- B.
A – III, B – IV, C – II, D – I
- C.
A – IV, B – III, C – II, D – I
- D.
A – III, B – IV, C – I, D – II
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Show answer & explanation
Correct answer: D
The correct matching is A-III, B-IV, C-I, D-II.
Alter commands modify schema structure, classifying them under DDL (III). Update modifies data values, placing it in DML (IV). In Entity-Relationship modeling, entities are represented by rectangles (I), while records align with the Relationship model (II).