There are three case manipulation functions in SQL, namely:
- LOWER: This function returns the string in lowercase. It takes a string as an argument and returns it by converting it into lower case. Syntax:
LOWER(‘string’)
- UPPER: This function returns the string in uppercase. It takes a string as an argument and returns it by converting it into uppercase. Syntax:
UPPER(‘string’)
- INITCAP: This function returns the string with the first letter in uppercase and rest of the letters in lowercase. Syntax:
INITCAP(‘string’)