SSIS ETL scenario
please advice cme the complete scenationfor the given scenario in which there are two SQL Server database DB1 and DB2 as source and one cube as a Destination , now within particular time cycle the merged data from both SQL Server DB1 and DB2 extracts and load in to the cube, then simultaneously that cube is Sync with both DBs 1and 2 , suppose when any of the data get deleted either from DB1 or DB2 , one DeleteFlag Column in the Cube get 'Y' other wise by default it remains 'N' please guide me using which Tasks, transformations etc. i can design this scenarios in SSIS packages many many thanks in advance. Regards, Amitesh Srivastva Regards, Amitesh Srivastva
February 28th, 2011 7:57am

Hello Amitesh, to achieve "suppose when any of the data get deleted either from DB1 or DB2 , one DeleteFlag Column in the Cube get 'Y' other wise by default it remains 'N'" you better use a table trigger (on delete namely). The rest of the question is about synchronization. This MSDN SSIS post offers some help on the cube sync: http://social.msdn.microsoft.com/Forums/en/sqlintegrationservices/thread/c9f763d0-0da6-4b18-bc7d-4b8106b47e16 if you need that, but I am not sure what exactly you are trying to figure out.Arthur My Blog
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February 28th, 2011 10:13am

Hello Amitesh, to achieve "suppose when any of the data get deleted either from DB1 or DB2 , one DeleteFlag Column in the Cube get 'Y' other wise by default it remains 'N'" you better use a table trigger (on delete namely). The rest of the question is about synchronization. This MSDN SSIS post offers some help on the cube sync: http://social.msdn.microsoft.com/Forums/en/sqlintegrationservices/thread/c9f763d0-0da6-4b18-bc7d-4b8106b47e16 if you need that, but I am not sure what exactly you are trying to figure out.Arthur My Blog
February 28th, 2011 10:13am

As Arthur said you can use a trigger for the updting the cube. how ever Trigger is not somthing advisable(look into the pros and cons). Coming to SSIS : SSIS will not be in a condition to know when a record is deletd from a table and do the needful. There has to be an event raised once the records are deleted. Either you need to look into the place(application/code) where the records are getting deleted and fire a update in the cube. Else another approach is there assuming all the records in DB1 & DB2 are there in the cube. You would have to read the data from the cube and do a left join with the db1 & DB2 data. All the extra records that you get will be the records that are deleted. Now update these recods in the cube with Y.My Blog | Ask Me
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February 28th, 2011 11:16am

As Arthur said you can use a trigger for the updting the cube. how ever Trigger is not somthing advisable(look into the pros and cons). Coming to SSIS : SSIS will not be in a condition to know when a record is deletd from a table and do the needful. There has to be an event raised once the records are deleted. Either you need to look into the place(application/code) where the records are getting deleted and fire a update in the cube. Else another approach is there assuming all the records in DB1 & DB2 are there in the cube. You would have to read the data from the cube and do a left join with the db1 & DB2 data. All the extra records that you get will be the records that are deleted. Now update these recods in the cube with Y.My Blog | Ask Me
February 28th, 2011 11:16am

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