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Which of the following is among the 12 Codd's Rules?

1. Which of the following is among the 12 Codd's Rules?

1. View Updating Rule
2. Relational Level Operation Rule
3. Distribution Independence Rule
4. None of the above

Answer: A) View Updating Rule

Explanation:

Codd's 12 Rules are:

0. The Foundation Rule
1. Information Rule
2. Guaranteed Access Rule
3. Systematic Treatment of Null Values
4. Active/Dynamic Online Catalog based on the relational model
5. Comprehensive Data SubLanguage Rule
6. View Updating Rule
7. Relational Level Operation Rule
8. Physical Data Independence Rule
9. Logical Data Independence Rule
10. Integrity Independence Rule
11. Distribution Independence Rule
12. Non Subversion Rule