Update a column with Oracle...
Dear experts!Oracle is driving me crazy... I just want to use an update like this statement:
UPDATE FPS
DEFINE FPS. DK_ORGA_BEREICH = "MZ."
FPS, FPG
WHERE FPS. FK_FPG_NR = GIF. PK_FPG_NR
AND FPS. DK_ORGA_BEREICH = "AL".
AND THE FOREST PRODUCTS GROUP. DK_ORGA_BEREICH = "MZ."
saying "in the table of FPS, please change DK_ORGA_BEREICH in 'MZ' where it is 'AL' now and where something else of the FPG table is already"MZ"now...» »
but Oracle does not understand/like what I want to do. I used google to search for, but all I found was illogical to me to 200%, I simply didn't understand the Oracle syntax to be used in cases like this, considering that 'my' syntax seems simple to me. Could someone please help me fix my SQL and explaining to me the corrected version, so this stupid understand me, too?
Thank you very much!
With sincere friendships.
Chriss, who thought he could at least do something simple like this in almost no time... Oops!
Edited by: user9355711 the 04.05.2010 07:25
It looks like you want a correlated update statement. Maybe something like that?
UPDATE FPS F
SET F.DK_ORGA_BEREICH = 'MZ'
WHERE F.DK_ORGA_BEREICH = 'AL'
AND EXISTS
(
SELECT NULL
FROM FPG FG
WHERE FG.PK_FPG_NR = F.FK_FPG_NR
AND FG.DK_ORGA_BEREICH = 'MZ'
)
The EXISTS clause verify existence of lines. It is CORRELATED because the subquery (SELECT statement) is related to the outer query (UPDATE statement) via the FG PK_FPG_NR = F.FK_FPG_NR condition.
So this query updates of the lines in the FPS if the DK_ORGA_BEREICH = 'AL' and there is a GJ for all ranks in FPS (based on the already mentioned join condition) with a DK_ORGA_BEREICH of "MZ."
Edited by: Centinul may 4, 2010 10:27
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