Returns the lowercase equivalent of the specified expression.
lower(char_expr | uchar_expr)
is a character-type column name, variable, or constant expression of char, varchar, nchar, or nvarchar type.
is a character-type column name, variable, or constant expression of unichar or univarchar type.
select lower(city) from publishers
-------------------- boston washington berkeley
lower, a string function, converts uppercase to lowercase, returning a character value.
lower is the inverse of upper.
If char_expr or uchar_expr is NULL, returns NULL.
For general information about string functions, see “String functions”.
ANSI SQL – Compliance level: Transact-SQL extension.
Any user can execute lower.
Function upper
