copy of data from one table to another

  • I have two tables in database.i want to copy data from table a to table b without deletimg data which is present in table b.it should match primary key of both table and those keys are not present in table b then it has two insert that data in table b.how to do this in ssis..i tried it using MERGE JOin .but it is not helpful.please reply me.....

  • There are many methods in which this can be done using T-SQL.

    -- Method 1 (Using LEFT JOIN)

    INSERTTABLE_B( COL1, COL2, COL3 )

    SELECTA.COL1, A.COL2, A.COL3

    FROMTABLE_A A

    LEFT JOIN TABLE_B B ON A.KEY_ID = B.KEY_ID

    WHEREB.KEY_ID IS NULL

    -- Method 2 (Using NOT EXISTS)

    INSERTTABLE_B( COL1, COL2, COL3 )

    SELECTCOL1, COL2, COL3

    FROMTABLE_A A

    WHERENOT EXISTS( SELECT * FROM TABLE_B WHERE A.KEY_ID = B.KEY_ID )

    --Ramesh


  • thanks for your reply....But i want it in SSIs because i want to schedule it everyday through SSIS.

  • Put any one of the query in Execute SQL Task in SSIS.

    --Ramesh


  • Really thanks for ur help..................

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