/*
*/
'
'
"
"
[
]
//
,
;
)
(
.
+
-
/
*
=
>
<
$
!=
[
]
SELECT
DISTINCT
FROM
IN
AS
WHERE
BY
ORDER
GROUP
HAVING
ASC
DESC
NOT
AND
OR
FORALL
EXISTS
ALL
ANY
SOME
LIKE
UNION
EXCEPT
MOD
INTERSECT
ABS
LISTTOSET
ELEMENT
FLATTEN
FIRST
LAST
UNIQUE
EXISTS
SUM
MIN
MAX
AVG
COUNT
IS_UNDEFINED
IS_DEFINED
STRUCT
ARRAY
SET
BAG
LIST
UNSIGNED
SHORT
LONG
FLOAT
DOUBLE
CHAR
STRING
BOOLEAN
OCTET
ENUM
DATE
TIME
INTERVAL
TIMESTAMP
DICTIONARY
NIL
TRUE
FALSE