SQL String keywords

C

CONCAT

The SQL CONCAT() function joins multiple strings into one.

L

LENGTH

The SQL LENGTH() function returns the length of a string in bytes.

LOWER

The SQL LOWER() function converts a string to lowercase.

R

REPLACE

The SQL REPLACE() function replaces all occurrences of a substring with another substring.

S

SUBSTRING

The SQL SUBSTRING() function extracts a portion of a string.

T

TRIM

The SQL TRIM() function removes leading and trailing spaces from a string.

U

UPPER

The SQL UPPER() function converts a string to uppercase.