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Data Warehousing Concepts Pdf Download

 
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MessagePosté le: Sam 3 Sep - 09:24 (2016)    Sujet du message: Data Warehousing Concepts Pdf Download Répondre en citant



Data Warehousing Concepts Pdf Download > bit.ly/2cnpCp6










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DWH....-....Architecture.....DWH....-....System....Managers.....DWH...-...Data...Marting....For....example,...."Retrieve....the....current....order....for....this....customer."....Historical....data....Data....warehouses....usually....store....many....months....or....years....of....data.....Here..are..some..examples..of..differences..between..typical..data..warehouses..and..OLTP..systems:..Workload..Data..warehouses..are..designed..to..accommodate..ad..hoc..queries...DWH...-...Partitioning...Strategy....DWH....-....Tuning.....

Typical..operations..A..typical..data..warehouse..query..scans..thousands..or..millions..of..rows...Note....that....this....book....is....meant....as....a....supplement....to....standard....texts....about....data....warehousing.....DWH....-....Multidimensional....OLAP.....Three....common....architectures....are:....Data....Warehouse....Architecture....(Basic)....Data....Warehouse....Architecture....(with....a....Staging....Area)....Data....Warehouse....Architecture....(with....a....Staging....Area....and....Data....Marts)....Data....Warehouse....Architecture....(Basic)....Figure....1-2....shows....a....simple....architecture....for....a....data....warehouse.....Data...warehouses...separate...analysis...workload...from...transaction...workload...and...enable...an...organization...to...consolidate...data...from...several...sources....In....order....to....discover....trends....in....business,....analysts....need....large....amounts....of....data.....Figure....1-2....Architecture....of....a....Data....Warehouse....Description....of...."Figure....1-2....Architecture....of....a....Data....Warehouse"....In....Figure....1-2,....the....metadata....and....raw....data....of....a....traditional....OLTP....system....is....present,....as....is....an....additional....type....of....data,....summary....data.....

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MessagePosté le: Sam 3 Sep - 09:24 (2016)    Sujet du message: Publicité
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