Q2: Correctly match the following terms with their definition. A. Conceptual data model B. Runtime database processor C. Internal schema D. Backup utility E. Query optimizer 1. Contains entities, attributes, and relationships 2. May reorder database operations to match physical storage organization 3. Describes data layout on the storage medium 4. The database utility that creates a backup copy of the database 5. Executes privileged commands and executable queries
Q2: Correctly match the following terms with their definition. A. Conceptual data model B. Runtime database processor C. Internal schema D. Backup utility E. Query optimizer 1. Contains entities, attributes, and relationships 2. May reorder database operations to match physical storage organization 3. Describes data layout on the storage medium 4. The database utility that creates a backup copy of the database 5. Executes privileged commands and executable queries
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:Q2: Correctly match the following terms with their definition.
A. Conceptual data model
B. Runtime database processor
C. Internal schema
D. Backup utility
E. Query optimizer
1.
2.
3.
Contains entities, attributes, and
relationships
May reorder database operations to
match physical storage organization
Describes data layout on the storage
medium
4. The database utility that creates a
backup copy of the database
5. Executes privileged commands and
executable queries
Expert Solution
Step 1: Introduction
The below answer provides an overview of the different components of a database system and their purpose. Specifically, it identifies the following components: a conceptual data model, runtime database processor, internal schema, backup utility, and query optimizer. Each of these components is described in detail, along with its purpose in the database system.
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