Multiple choice technology programming languages

SELECT REPLACE('JACK and JUE','J','BL')FROM DUAL;

  1. jack and jue

  2. JACK and JUE

  3. ACK and UE

  4. BLACK and BLUE
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The REPLACE function substitutes all occurrences of a specified string. REPLACE('JACK and JUE','J','BL') replaces every 'J' with 'BL'. The first 'J' in 'JACK' becomes 'BL' making 'BLACK', and 'J' in 'JUE' becomes 'BL' making 'BLUE'.

AI explanation

To answer this question, let's go through each option and the result of the REPLACE function:

Option A) jack and jue - This option is incorrect because the REPLACE function replaces all occurrences of 'J' with 'BL', resulting in "BLACK and BLUE".

Option B) JACK and JUE - This option is incorrect because the REPLACE function replaces all occurrences of 'J' with 'BL', resulting in "BLACK and BLUE".

Option C) ACK and UE - This option is incorrect because the REPLACE function replaces all occurrences of 'J' with 'BL', resulting in "BLACK and BLUE".

Option D) BLACK and BLUE - This option is correct because the REPLACE function replaces all occurrences of 'J' with 'BL', resulting in "BLACK and BLUE".

The correct answer is option D.

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