# E021-08: UPPER and LOWER functions

query T
SELECT LOWER ( 'FOO' )
----
foo

query T
SELECT LOWER ( 'foo' )
----
foo

query T
SELECT UPPER ( 'foo' )
----
FOO

query T
SELECT UPPER ( 'FOO' )
----
FOO

query T
SELECT UPPER ( LOWER ( 'FOO' ) )
----
FOO

query T
SELECT LOWER ( UPPER ( 'foo' ) )
----
foo
