Database terminology: in data management, the term “schema” refers to

Computer Science System Analysis and Design Difficulty: Easy
Choose an option
  • A
    A relationship service bureau
  • B
    The overall structural map (design) of a database
  • C
    A parent with no owners
  • D
    A generic two-dimensional table
  • E
    A message routing plan

Answer

Correct Answer: The overall structural map (design) of a database

Explanation

Introduction / Context:Precise terminology is essential in databases. “Schema” (often misspelled as “scheme”) is the formal description of how data is structured and related in a database.

Given Data / Assumptions:

  • We consider logical structures: tables, attributes, constraints, relationships, views.
  • Schema is a blueprint, not data itself.
  • Different levels exist (conceptual, logical, physical), but all are designs.

Concept / Approach:The schema defines entities, attributes, keys, and relationships, plus integrity rules. It is the map used by the DBMS to validate and manage data.

Step-by-Step Solution:1) Recognize common use: “CREATE SCHEMA / CREATE TABLE” statements define structures.2) Distinguish schema (design) from instances (data content).3) Select the option that captures the “overall structure” meaning.

Verification / Alternative check:Most DBMS documentation describes schema as the container/definition set for database objects.

Why Other Options Are Wrong:They do not refer to structural design (service bureau, parent, generic table, routing plan).

Common Pitfalls:Confusing schema with a specific table or with the data itself.

Final Answer:The overall structural map (design) of a database.

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