Explore topic-wise MCQs in Structured Query Language (SQL).

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Structured Query Language (SQL) knowledge and support exam preparation. Choose a topic below to get started.

1.

The spatial datatype used to store a curve is _____________

A. GEOMETRY
B. POINT
C. LINESTRING
D. POLYGON
Answer» D. POLYGON
2.

The date and time datatype that stores time value in ‘hh:mm:ss’ format is ___________

A. DATE
B. TIME
C. DATETIME
D. TIMESTAMP
Answer» C. DATETIME
3.

The datatype that means a variable length non binary string is __________

A. VARCHAR
B. BINARY
C. VARBINARY
D. BLOB
Answer» B. BINARY
4.

The ‘C’ in the ACID property of transactions is _______________

A. Compound
B. Concrete
C. Collision
D. Consistency
Answer» E.
5.

The ‘A’ in the ACID property of transactions is _______________

A. Availability
B. Accuracy
C. Adjustability
D. Atomicity
Answer» E.
6.

The system variable ‘system_time_zone’ can be reset at runtime.

A. True
B. False
Answer» C.
7.

THE_DATE_AND_TIME_DATATYPE_THAT_STORES_TIME_VALUE_IN_‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚Àւ§HH:MM:SS‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•_FORMAT_IS____________?$#

A. DATE
B. TIME
C. DATETIME
D. TIMESTAMP
Answer» C. DATETIME
8.

The_spatial_datatype_used_to_store_a_curve_is______________$

A. GEOMETRY
B. POINT
C. LINESTRING
D. POLYGON
Answer» D. POLYGON
9.

The datatype that means a variable length non binary string is _________?

A. VARCHAR
B. BINARY
C. VARBINARY
D. BLOB
Answer» B. BINARY
10.

The ‘A’ in the ACID property of transactions is _______________$

A. Availability
B. Accuracy
C. Adjustability
D. Atomicity
Answer» E.
11.

If an error occurs during the transaction the troubleshoot is ____________

A. delete
B. rollback
C. commit
D. update
Answer» C. commit
12.

The number of options that can be used to control LOCAL capability at runtime is _____________

A. 0
B. 1
C. 2
D. 3
Answer» D. 3
13.

The variable which represents the default time zone of the MySQL server is _____________

A. time_zone
B. system_time_zone
C. date_and_time
D. system_time
Answer» B. system_time_zone
14.

The system variable ‘system_time_zone’ can be reset at runtime.$

A. True
B. False
Answer» C.
15.

The server sets its default time zone by examining its environment.

A. True
B. False
Answer» B. False