Question 1
Which of the following properties of a transaction ensures that either all operations are executed or none?
A
Atomicity
B
Consistency
C
Isolation
D
Durability
Question 2
What is data about data called?
A
Meta data
B
Hyper data
C
Tera data
D
Master data
Question 3
Which of the following is a TCL command?
A
COMMIT
B
GRANT
C
REVOKE
D
SELECT
Question 4
Which of the following is not an example of DBMS?
A
MySQL
B
Microsoft Access
C
IBM DB2
D
Google
Question 5
Which SQL constraint ensures that a column cannot have a NULL value?
A
NOT NULL
B
UNIQUE
C
CHECK
D
DEFAULT