Contents

Which of the following are advantages of database?
a) redundancy control
b) data consistency
c) data atomicity
d) all of these


d

The rules that must be followed to enter data in database are called…..
a) data consistency            
b) consistency constraints
c) data atomicity
d) none of these


b

The process of database from unauthorized access is called….
a) data consistency            
b) consistency constraints
c) data security  
d) none of these


c

Which of the following are disadvantages of database approach?
a) high cost          
b) more chances of failure
c) complexity & performance
d) all of these


d

How many types of users in database environment?
a) one    
b) two    
c) three 
d) four

c

Explanation: application programmer, end user, database administrator


The professional who writes computer program in high level language is called
a) application programmer                           
b) end user
c) database administrator 
d) none of these


a