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natureman
Starting Member
3 Posts |
 Posted - 2006-03-27 : 09:50:35
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| I have a question concerning coding for a data warehouse. We have imports coming in on a regular basis (weekly) that I am archiving to a STAR schema database for warehousing and reporting. Currently all the diff values coming in are put in a big loop, then iterated thru, checking each for existence in its DIM_ID table then assigning a ID depending on whether we have seen it or not then finally placed in a central table. This is a VERY slow process. I was wondering if I went about this the correct way or if anyone has any articles or advice they might help me with. Thanks! |
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nr
SQLTeam MVY
12543 Posts |
Posted - 2006-03-27 : 09:58:53
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| Depends on what you are doing.Maybe you can add the ones that don't exist in tyhe DIM_ID table in one statement then add them all to the central table in the next by joining to the DIM_ID table.==========================================Cursors are useful if you don't know sql.DTS can be used in a similar way.Beer is not cold and it isn't fizzy. |
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natureman
Starting Member
3 Posts |
Posted - 2006-03-27 : 10:10:25
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| Yeah, I thought about that, thanks for the advice. I am also going to check out any articles. Thanks! |
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Data Warehousing code question