COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The architecture of a database can be viewed as the ____
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One level
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Two level
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Three level
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Four level
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Explanation:
Detailed explanation-1: -The ANSI-SPARC database architecture is the basis of most of the modern databases. The three levels present in this architecture are Physical level, Conceptual level and External level.
Detailed explanation-2: -The features of 3-tier architecture are data backup, recovery, security, and concurrency control.
Detailed explanation-3: -The purpose of the three-level architecture is to separate the user from the physical database. The three levels consist of an internal level or schema, which describes the physical storage requirements and structure of the database.
Detailed explanation-4: -External level. Conceptual level. Internal level. 03-Jul-2021
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