Strings MCQ Questions And Answers

Strings MCQs : This section focuses on "Strings" in Pl/Sql. These Multiple Choice Questions (MCQ) should be practiced to improve the Pl/Sql skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. PL/SQL offers __________ kinds of strings.

A. 1
B. 2
C. 3
D. 4

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2. 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

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3. PL/SQL strings could be?

A. variables
B. literals
C. Both A and B
D. None of the above

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4. A string literal is enclosed within __________.

A. dollar sign
B. hashtag
C. angle brackets
D. quotation marks

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5. The datatypes prefixed with an N are ___________ datatypes

A. national character set
B. fixed character set
C. variable character set
D. simple character set

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6. 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

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7. 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

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8. 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);

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

A. Constants
B. Literals
C. Cursor
D. Variables

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10. 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

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