Pas exactement sûr si vous cherchez à supprimer les enregistrements des deux tables chaque fois qu'il y a des doublons, mais voici comment je le ferais.
CREATE TABLE #TableA
(
PK_A INT IDENTITY(1,1) NOT NULL,
Field1 INT,
Field2 VARCHAR(20),
Field3 BIT
)
INSERT INTO #TableA (Field1, Field2, Field3) VALUES (1, 'A', 0), (1, 'B', 1), (2, 'C', 1), (3, 'C', 0)
CREATE TABLE #TableB
(
PK_B INT IDENTITY(10,10) NOT NULL,
Field1 INT,
Field2 VARCHAR(20),
Field3 BIT
)
INSERT INTO #TableB (Field1, Field2, Field3) VALUES (1, 'A', 1), (1, 'B', 1), (2, 'C', 1), (3, 'C', 1)
SELECT * FROM #TableA;
SELECT * FROM #TableB;
DECLARE @pks AS TABLE
(
PK_A INT,
PK_B INT
)
INSERT INTO @pks (PK_A, PK_B)
SELECT PK_A, PK_B
FROM #TableA INNER JOIN #TableB
ON #TableA.Field1 = #TableB.Field1
AND #TableA.Field2 = #TableB.Field2
AND #TableA.Field3 = #TableB.Field3
DELETE FROM #TableA WHERE PK_A IN (SELECT PK_A FROM @pks)
DELETE FROM #TableB WHERE PK_B IN (SELECT PK_B FROM @pks)
SELECT * FROM #TableA;
SELECT * FROM #TableB;
DROP TABLE #TableA;
DROP TABLE #TableB;
Pourriez-vous fournir un texte de requête ou un exemple du code SQL que vous avez actuellement? –