ITPEC FE Subject A April 2024 Question 18
ITPEC FE Subject A April 2024 — Question 18 of 60
ER Diagrams in Database Design — identify the critical step in creating a relational database.
An entity-relationship (ER) diagram is a fundamental step in relational database design. It defines entities, their attributes, and the relationships between them before any tables are created.
Why not others:
- (a) Building a network diagram — relates to network topology or project scheduling, not database design
- (c) Designing a flowchart — describes algorithm logic, not database structure
- (d) Programming in C++ — a programming language, unrelated to database schema design
Key rule: ER diagrams come first in database design — they map the logical structure that tables will implement.
AI-generated — may contain errors
The original exam layout is preserved in the image so diagrams, formulas, tables, and code remain accurate.
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