“SQL Merge” Respostas de código

Exemplo de mesclagem TSQL

MERGE esqlProductTarget T
USING esqlProductSource S
ON (S.ProductID = T.ProductID)
WHEN MATCHED 
     THEN UPDATE
     SET    T.Name = S.Name,
            T.ProductNumber = S.ProductNumber,
            T.Color = S.Color
WHEN NOT MATCHED BY TARGET
THEN INSERT (ProductID, Name, ProductNumber, Color)
     VALUES (S.ProductID, S.Name, S.ProductNumber, S.Color)
WHEN NOT MATCHED BY SOURCE
THEN DELETE;
Jittery Jellyfish

SQL Merge

-- Oracle: Example for Insert or update in t1 from t2 values 
MERGE INTO table1 t1
USING table2 t2
ON (t1.CODE = t2.ID)
WHEN MATCHED THEN
    UPDATE SET t1.COL1 = t2.VALUE1
WHEN NOT MATCHED THEN
    INSERT (CODE, COL1)  VALUES (t2.ID, t2.VALUE1);
VasteMonde

SQL Merge

MERGE target_table USING source_table
ON merge_condition
WHEN MATCHED
    THEN update_statement
WHEN NOT MATCHED
    THEN insert_statement
WHEN NOT MATCHED BY SOURCE
    THEN DELETE;
Code language: SQL (Structured Query Language) (sql)
Curious Crab

Declaração de mesclagem SQL

MERGE LoginTypes T
        USING (SELECT 'System' as Description) S
        ON(S.Description = T.Description)
WHEN NOT MATCHED BY TARGET
    THEN INSERT(Description, CreatedTimestamp, LastUpdatedTimestamp)
VALUES('System', getdate(), getdate());
Frightened Finch

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