Which of the following model is used for relation in database?
a) hierarchical database model
b) network database model
c) relational database model
d) object-oriented model
Which of the following model is used to represent in the form of objects?
a) hierarchical database model
b) network database model
c) relational database model
d) object-oriented model
Which of the
following model add new object storage capabilities to the relational database
system?
a) hierarchical database model
b) network database model
c) object relational database model
d) object-oriented model
Database Languages for Relational Databases
The approach is to interact with the DBMS using a special language is called…..
a) query language
b) structure language
c) query structure language
d) none of these
How many languages are used in structured query languages?
a) one
b) two
c) three
d) four
Explanation: Data definition language, data manipulation language, data control unit
