Multiple Choice
In the architecture of a database system external level is the
A) Physical level.
B) Logical level.
C) Conceptual level
D) View level.
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Relational calculus is a<br>A)Procedural language.<br>B)None- Procedural language.<br>C)Data
Q6: _ converts ciphertext back into plaintext.<br>A)encryption<br>B)a firewall<br>C)decryption<br>D)an
Q7: An advantage of the database management approach
Q8: Which database level is closest to the
Q9: Relational calculus is a<br>A)procedural language.<br>B)non- procedural language.<br>C)data
Q11: Hierarchical model is also called<br>A)Tree structure<br>B)Plex Stucture<br>C)Normalize
Q12: Data encryption concept is used for _
Q13: A DBMS query language is designed to<br>A)Support
Q14: Which of the followwing is a network
Q15: Which one of the following statement is