Multiple Choice
______________ converts ciphertext back into plaintext.
A) encryption
B) a firewall
C) decryption
D) an encoder
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The database schema is written in<br>A)HLL<br>B)DML<br>C)DDL<br>D)DCL
Q2: Which of these items is a major
Q3: The DBMS language component which can be
Q4: The full form of DDL<br>A)Dynamic Data Language<br>B)Detailed
Q5: Relational calculus is a<br>A)Procedural language.<br>B)None- Procedural language.<br>C)Data
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
Q10: In the architecture of a database system
Q11: Hierarchical model is also called<br>A)Tree structure<br>B)Plex Stucture<br>C)Normalize