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

This section includes 9 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 security context when a user creates a stored program that accesses sensitive data but forgets that other people who can invoke the object have the same access is __________

A. bad
B. good
C. fare
D. illegal
Answer» B. good
Discussion
2.

The function that returns reference to hash of row values is ____________

A. fetchrow_array()
B. fetchrow_arrayref()
C. fetch()
D. fetchrow_hashref()
Answer» E.
Discussion
3.

TRIGGERS_AND_EVENTS_ARE_INVOKED_AUTOMATICALLY_BY_THE_SERVER.?$

A. True
B. False
Answer» B. False
Discussion
4.

The security context when a user creates a stored program that accesses sensitive data but forgets that other people who can invoke the object have the same access is _________?

A. bad
B. good
C. fare
D. illegal
Answer» B. good
Discussion
5.

Which type stores the longest length of strings?

A. CHAR
B. VARCHAR
C. TINYTEXT
D. TEXT
Answer» E.
Discussion
6.

The best datatype for a column that is expected to store values up to 2 million is _________

A. SMALLINT
B. TINYINT
C. MEDIUMINT
D. BIGINT
Answer» E.
Discussion
7.

Which option is used in mysqldump to make all tables in the destination databases to use a different storage engine?

A. –next-storage-engine
B. –new-storage-engine
C. –clear-storage-engine
D. –get-storage-engine
Answer» C. ‚Äö√Ñ√∂‚àö√ë‚àö¬®clear-storage-engine
Discussion
8.

Which privileges are required on the source server to use mysqldbcopy?

A. CREATE
B. INSERT
C. UPDATE
D. SELECT
Answer» E.
Discussion
9.

The program that copies the databases from one server to another is ____________

A. mysqldbcopy
B. mysqlcopydb
C. mysqlflushdb
D. mysqldbflush
Answer» B. mysqlcopydb
Discussion