Complement the optional OUTER. Specifically, RIGHT OUTER JOIN
, LEFT OUTER JOIN
, and FULL OUTER JOIN
.
true
(default): If an optionalOUTER
is omitted, complement it.false
: Do not complementOUTER
.
before:
SELECT
*
FROM
T1
LEFT JOIN
T2
ON
T1.NUM = T2.NUM
result:
SELECT
*
FROM
T1
LEFT OUTER JOIN
T2
ON
T1.NUM = T2.NUM