Important Points About SQL UPPER() Function
- UPPER() function in SQL allows us to convert the string text into uppercase.
- It takes only one parameter and converts the entire string into upper case.
- It is similar to the UCASE() function.
- Special Characters like “@”, “%”, “+” etc. and numerical characters remain unchanged, only the lowercase alphabetical letters get transformed into uppercase.
SQL UPPER() Function
The SQL UPPER() function is a string function that converts all the strings in the table to uppercase.