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16. A relation is in second normal form if and only if:
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
5. Different attributes in two different tables having same name are referred to as (
11. A functional dependency between two or more non-key attributes in a relation is called
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: (
17. If a relation is in INF and the key consists of a single attributes then the relation is called.
1. In 3NF, which form of dependency is removed? (
20. A process of analyzing the dependencies of attributes with in entities is called
8. problems occurs when same name is used for two different attributes:
7. problems occurs when two different names are used for the same information?
10. The process of converting complex data structure into simple and stable data structure is called: a –
14. A foreign key constraint is also called
2. How many types of data integrity are there?
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:
4. In 3NF, a non-key attribute must not depend on a(n)
13. Integrity is concerned with the (
15. In which of the following normal forms, any repeating group from the table is removed?