Cov txheej txheem:
Video: Dab tsi yog cov yam ntxwv ntawm cov ntaub ntawv warehouse architecture?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Muaj 5 lub ntsiab Cheebtsam ntawm Datawarehouse . 1) Database 2) ETL Cov Cuab Yeej 3) Meta Cov ntaub ntawv 4) Cov cuab yeej nug 5) DataMarts.
Ntxiv mus, dab tsi yog qhov sib txawv ntawm cov ntaub ntawv warehouse?
Cov Cheebtsam ntawm Cov Ntaub Ntawv Warehouse
- Zuag qhia tag nrho Architecture.
- Cov Ntaub Ntawv Cov Ntaub Ntawv Cov Ntaub Ntawv.
- Kev Tshawb Fawb, Tau Txais, Ntxuav thiab Hloov Cov Cuab Yeej.
- Meta cov ntaub ntawv.
- Access Tools.
- Data Marts.
- Data Warehouse Administration thiab Management.
- Cov ntaub ntawv xa tawm System.
Ib yam li ntawd, lub tsev thaiv cov ntaub ntawv warehouse yog dab tsi? Cheebtsam lossis Lub Tsev Blocks ntawm Cov Ntaub Ntawv Warehouse
- Tau qhov twg los Data Component.
- Data Staging Component.
- Cov ntaub ntawv khaws cia Cheebtsam.
- Cov ntaub ntawv xa tuaj.
- Metadata Cheebtsam.
- Data Marts.
- Tswj thiab Tswj Cheeb Tsam.
- Vim li cas peb thiaj xav tau ib lub tsev khaws ntaub ntawv cais?
Hais txog qhov no, dab tsi yog data warehousing architecture?
A cov ntaub ntawv warehouse yog qhov defacto qhov tseeb ntawm kev lag luam tsim los ntawm kev sib txuas cov ntaub ntawv los ntawm ntau qhov chaw sib txawv. Nws txhawb kev tshaj tawm kev txheeb xyuas, thiab ob qho tib si tsim thiab ad hoc queries. Tag nrho cov ntaub ntawv warehouse architecture suav nrog cov txheej hauv qab no: Cov ntaub ntawv Txheej Txheej.
Lub tsev khaws ntaub ntawv yog dab tsi thiab nws cov yam ntxwv tseem ceeb yog dab tsi?
Cov tus yuam sij yam ntxwv ntawm a cov ntaub ntawv warehouse muaj raws li nram no: Qee yam cov ntaub ntawv yog denormalized rau simplification thiab txhim kho kev ua tau zoo. Ntau yam keeb kwm cov ntaub ntawv siv. Cov lus nug feem ntau retrieve ntau npaum li cas cov ntaub ntawv . Ob qho tib si npaj thiab ad hoc queries muaj ntau.
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