a) The data dictionary is normally maintained by the database administrator
b) Data elements in the database can be modified by changing the data dictionary
c) The data dictionary contains the name and description of each data element
d) The data dictionary is a tool used exclusively by the database administrator
Answer: b
Related Posts
Empdt1(empcode, name, street, city, state, pincode).
For any pincode, there is only one city and state. Also, for given street, city and state, there is just one pincode. In normalization terms, empdt1 is a relation inWhich forms are based on the concept of functional dependency:
Which forms has a relation that possesses data about an individual entity:
Which forms simplifies and ensures that there are minimal data aggregates and repetitive groups:
Which is a bottom-up approach to database design that design by examining the relationship between attributes:
Functional Dependencies are the types of constraints that are based on______
Which-one ofthe following statements about normal forms is FALSE?
Join The Discussion