Я выполнить следующий запрос, который возвращает 36 строк данныхВозврат ТпустуюУ если столбец пуст в SQL
SELECT
A.OBJECTIVE, SUM(A.T_VALUE)
FROM
DB2ADM2.TFINTR10 A
WHERE
(A."YEAR" =10)
AND (A.OBJECTIVE BETWEEN 'WAAAA' AND 'WZZZZ')
GROUP BY
A.OBJECTIVE
When I merge with another table and add the Narration field (OB_Narr5) the rows of data are reduced as the Ob_Narr5 does not exist for every Objective, see sql.
SELECT A.OBJECTIVE, SUM (A.T_VALUE), B.OB_NARR5
FROM DB2ADM2.TFINTR10 A INNER JOIN DB2ADM2.TFINOBJP B ON B.OB_12345 = A.
OBJECTIVE
WHERE (A."YEAR" =10)
AND A.OBJECTIVE BETWEEN 'WAAAA' AND 'WZZZZ'
GROUP BY A.OBJECTIVE, B.OB_NARR5
The rows returned are now only 4.
How can I return all the rows including the blank fields and/or return just the rows with the blank fields?
Спасибо за ответы, левый и полное внешнее соединение и работу.
How do I replace the <NULL> with a blank instead please?
WAAAA -173597.12 <NULL>
WABAA 222717.76 GENERAL