Explore topic-wise MCQs in Technical MCQs.

This section includes 10 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.

Character large objects (CLOBs) is a variable-length strings that can be up to 128 terabytes.

A. Yes
B. No
C. Can be yes or no
D. Can not say
E.
Answer» B. No
Discussion
2.

__________are values which do not have an identifier and are numeric, character, string, or boolean.

A. Constants
B. Literals
C. Cursor
D. Variables
Answer» C. Cursor
Discussion
3.

Which function converts the initial letter of each word in x to uppercase and returns that string.

A. ASCII(x);
B. INSTRB(x);
C. INITCAP(x);
D. LENGTH(x);
Answer» D. LENGTH(x);
Discussion
4.

Fixed-length strings programmers specify the length while declaring the string.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say
Answer» B. FALSE
Discussion
5.

CHR(x); function return?

A. the ASCII value of the character
B. the character with the ASCII value
C. Converts the initial letter of each word
D. Returns the location of a string
Answer» C. Converts the initial letter of each word
Discussion
6.

The datatypes prefixed with an N are ___________ datatypes

A. national character set
B. fixed character set
C. variable character set
D. simple character set
Answer» B. fixed character set
Discussion
7.

A string literal is enclosed within __________.

A. dollar sign
B. hashtag
C. angle brackets
D. quotation marks
Answer» E.
Discussion
8.

PL/SQL strings could be?

A. variables
B. literals
C. Both A and B
D. None of the above
Answer» D. None of the above
Discussion
9.

Which type of string has a maximum length up to 32,767?

A. Fixed-length strings
B. Variable-length strings
C. Character large objects
D. All of the above
Answer» C. Character large objects
Discussion
10.

PL/SQL offers __________ kinds of strings.

A. 1
B. 2
C. 3
D. 4
Answer» D. 4
Discussion