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