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12. Data integrity is another form of data
1. In 3NF, which form of dependency is removed? (
10. The process of converting complex data structure into simple and stable data structure is called: a –
20. A process of analyzing the dependencies of attributes with in entities is called
15. In which of the following normal forms, any repeating group from the table is removed?
3. The constraint states that in a relation no primary key value can have a null value.
14. A foreign key constraint is also called
9. problems occurs when same information is stored in two different ways:
11. A functional dependency between two or more non-key attributes in a relation is called
2. How many types of data integrity are there?
7. problems occurs when two different names are used for the same information?
5. Different attributes in two different tables having same name are referred to as (
8. problems occurs when same name is used for two different attributes:
17. If a relation is in INF and the key consists of a single attributes then the relation is called.
4. In 3NF, a non-key attribute must not depend on a(n)
13. Integrity is concerned with the (
19. A process in which it is being ensured that attributes are stored from where they belong
16. A relation is in second normal form if and only if:
18. If the value of a non-key attribute can be obtained simply by knowing the values of another non-key attribute, the relation is not in: (
6. Referential integrity is applied on
