Sql merge

Tsql merge example

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;

Source: essentialsql.com

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);

Merge clause with inner join

MERGE table1
USING (SELECT table3.keycolumn,
              table2.DataColumn1,
              table2.DataColumn2
       FROM table2
       INNER JOIN table3
           ON table2.anotherKey = table3.anotherKey
       WHERE table2.anotherKey = 'A1') tmpTable
ON 
   table1.keyColumn = tmpTable.keyColumn
WHEN MATCHED THEN
       UPDATE
       SET table1.DataColumn1 = tmpTable.DataColumn1
            ,table1.DataColumn2 = tmpTable.DataColumn2;

Source: stackoverflow.com

Sql merge statement

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());

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)

Source: sqlservertutorial.net

Similar codes

0 vote354 views1 answer
Mssql dockere
SQL
10 votes321 views3 answers
Insert into auto increment mysql
SQL
1 vote373 views1 answer
Mysql login console
SQL
4 votes308 views2 answers
Select todays data postgres query
SQL
16 votes358 views3 answers
MySQL 8.0 - Client does not support authentication protocol requested by server; consider upgrading MySQL client
SQL
0 vote323 views1 answer
How to return only the Date from a SQL Server DateTime datatype
SQL
8 votes373 views1 answer
Oracle search stored procedures for text
SQL
0 vote327 views3 answers
Between keyword sql
SQL
0 vote361 views1 answer
How to delete duplicate rows in oracle
SQL
0 vote341 views1 answer
Order by in codeigniter query builder
SQL