Computer Science · Database Management Systems
Which of the following defines 'Rule 0' in E.F. Codd's 12 rules for Relational Database Management Systems?
- 1A relational DBMS must enforce foreign key integrity constraints
- 2A relational DBMS must use SQL as its standard interface language
- 3A relational DBMS must manage databases entirely through its relational capabilities✓
- 4A relational DBMS must support NULL values systematically
Correct answer
A relational DBMS must manage databases entirely through its relational capabilities
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