According to the ABNF rules the system query options ($expand, ...) are case-insensitive (defined as quoted strings, e.g. "$expand")
This also affects operators ("eq", "and", ...) and functions ("startswith", ...) used in the option values
According to the ABNF rules the system query options ($expand, ...) are case-insensitive (defined as quoted strings, e.g. "$expand")
This also affects operators ("eq", "and", ...) and functions ("startswith", ...) used in the option values