2c. List the advantages and disadvantages of the Relational Database model.
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Advantages |
Disadvantages |
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• Users
need not know the physical structure
(Structural Independence) • Focus on logical View
• Allows
use of Structured Query Language (SQL)
|
• Because
the DBMS does most of the work, more powerful computers needed
• Data
Integrity and validity must be rigidly maintained
|