Explore topic-wise MCQs in Technical MCQs.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

We add data to PostgreSQL by using which statement?

A. Insert
B. Add
C. Select
D. Update
E.
Answer» B. Add
Discussion
2.

A meta-command always begins with what?

A. Forwardslash character (/)
B. Dollar sign ($)
C. Backslash character ()
D. Question mark (?)
Answer» D. Question mark (?)
Discussion
3.

How many types of SQL bit there?

A. 2
B. 3
C. 4
D. 5
Answer» B. 3
Discussion
4.

Geometric data types represent?

A. one dimensional
B. boolean
C. enum
D. two dimensional
Answer» E.
Discussion
5. 

ANALYZE [ VERBOSE ] [ table [ (column [, ...] ) ] ]
6.The ________ type stores a currency amount with a fixed fractional precision.

A. character
B. money
C. binary
D. numeric
Answer» C. binary
Discussion
6.

Which syntax is used to Change the definition of a procedural language?

A. UPDATE LANGUAGE name RENAME TO new_name
B. ALTER LANGUAGE name RENAME TO new_name
C. ALTER LANGUAGE name OWNER TO new_name
D. UPDATE LANGUAGE name OWNER TO new_name
Answer» C. ALTER LANGUAGE name OWNER TO new_name
Discussion
7.

Using psql, you can generate a complete list of commands by using the ________ command

A. help
B. /help
C. $help
D. &help
Answer» B. /help
Discussion
8.

PostgreSQL, originally called ?

A. Ingres
B. Postgres
C. Pregres
D. None of the above
Answer» C. Pregres
Discussion
9.

Which of the following is true regarding PostgreSQL?

A. PostgreSQL is a powerful
B. PostgreSQL is open source
C. PostgreSQL is object-relational database system
D. All of the above
Answer» E.
Discussion