Match the following SQL functions to their descriptions.

Functions

Descriptions

A.

length()

I.

Finds the position of a substring within a string.

B.

lower()

II.

Converts all characters in a string to lowercase.

C.

concat()

III.

Concatenates two or more strings into one string.

D.

position()

IV.

Returns the number of characters in a string.

Choose the correct answer from the options given below:

Question

Functions		Descriptions
A.	length()	I.	Finds the position of a substring within a string.
B.	lower()	II.	Converts all characters in a string to lowercase.
C.	concat()	III.	Concatenates two or more strings into one string.
D.	position()	IV.	Returns the number of characters in a string.