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How can you recognize whether or not the newly added rows in the source are gets insert in the target ?

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How can you recognize whether or not the newly added rows in the source are gets insert in the target ?
posted May 12, 2015 by Sachin

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1 Answer

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In the type-2 mapping we have three options to recognise the newly added rows. i) Version Number ii) Flag Value iii) Effective Date Range

we can add a count aggregator column to the target and generate it before running the mapping there might couple of different ways to do this or we can run a sql query after running the mapping each time to make sure new data is inserted

From session SrcSuccessRows can be compared with TgtSuccessRows

check the seesion log or check the target table.

answer May 12, 2015 by Manikandan J
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For a given key, delete existing records from target and insert records from source in same transaction

I'm using Informatica Power Center 9.1.0 and have blocked with below usecase.

For any given key, delete existing records from target table and insert the records from soruce to same target table and both delete and insert should happen in a single transaction.

Source data:

BusDate   Order Product Quantity
21-May    O1    Phone        100
21-May    O1    Tab           50
21-May    O1    Cam           75
21-May    O1    PC           200
21-May    O2    Phone        150 
21-May    O2    PC            50

Source data is as mentioned in above tabular fomrat, when we are writing to target, delete existing data for given business date and order id combination and insert new data in same transaction.

In above example for Order 1 (O1) and BusDate 5/21 we want to delete all existing records in target table and insert all 4 records in same transaction.

Here how it looks if I need to do same in SQL:

BEGIN TRANSACTION

DELETE target_table
WHERE BusDate = '5/21/2014'
AND Order = 'O1'

INSERT target_table
SELECT *
FROM input_table
WHERE BusDate = '5/21/2014'
AND Order = 'O1'

COMMIT TRANSACTION
...