Cov txheej txheem:
Video: Kuv yuav pib lub tsev khaws ntaub ntawv li cas?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
7 Cov kauj ruam rau kev khaws ntaub ntawv
- Kauj Ruam 1: Txiav Txim Lub Hom Phiaj Ua Lag Luam.
- Kauj Ruam 2: Sau thiab txheeb xyuas cov ntaub ntawv.
- Kauj Ruam 3: Txheeb xyuas cov txheej txheem ua lag luam tseem ceeb.
- Kauj Ruam 4: Tsim ib lub tswv yim Cov ntaub ntawv Qauv.
- Kauj Ruam 5: Nrhiav Cov ntaub ntawv Cov peev txheej thiab Kev Npaj Cov ntaub ntawv Kev hloov pauv.
- Kauj Ruam 6: Teem Sijhawm Taug Kev.
- Kauj Ruam 7: Ua raws li Txoj Kev Npaj.
Tom qab ntawd, lub tsev khaws ntaub ntawv ua haujlwm li cas?
A cov ntaub ntawv warehouse ua haujlwm los ntawm kev npaj cov ntaub ntawv nyob rau hauv ib tug schema uas piav txog lub layout thiab hom ntawm cov ntaub ntawv , xws li integer, cov ntaub ntawv teb, los yog hlua. Thaum twg cov ntaub ntawv yog ingested, nws yog khaws cia nyob rau hauv ntau lub rooj piav qhia los ntawm lub schema. Cov cuab yeej nug siv cov schema los txiav txim qhov twg cov ntaub ntawv cov rooj mus saib thiab txheeb xyuas.
Ib yam li ntawd, cov ntaub ntawv warehouses ua li cas? Lub hnub qub schema thiab snowflake schema yog ob txoj hauv kev qauv a cov ntaub ntawv warehouse . Lub schema faib cov lus tseeb rau hauv ib lub rooj ntawm cov lus tsis zoo. Cov lus tseeb muaj aggreated cov ntaub ntawv siv rau kev tshaj tawm lub hom phiaj thaum lub rooj dimension piav txog qhov khaws cia cov ntaub ntawv.
Ib yam li ntawd, nws yog nug, dab tsi yog cov theem ntawm cov ntaub ntawv warehousing?
Tsib theem ntawm Cov Ntaub Ntawv Warehouse Kev Txiav Txim Siab Txhawb Evolution
- Kauj Ruam 1: Qhia. Thawj theem ntawm kev xa cov ntaub ntawv warehouse feem ntau tsom rau kev tshaj tawm los ntawm ib qho ntawm qhov tseeb hauv ib lub koom haum.
- Kauj Ruam 2: Kev Ntsuam Xyuas.
- Kauj Ruam 3: Predicting.
- Theem 4: Kev ua haujlwm.
- Theem 5: Active Warehousing.
- Cov lus xaus.
- Hais txog Cov Neeg Sau Ntawv.
- Citation.
Puas yog SQL yog lub tsev khaws ntaub ntawv?
SQL Data Warehouse yog huab-based Enterprise Data Warehouse (EDW) uas siv Massively Parallel Processing (MPP) kom ceev cov lus nug nyuaj hla petabytes ntawm cov ntaub ntawv . Siv SQL Data Warehouse raws li ib feem tseem ceeb ntawm ib tug loj cov ntaub ntawv daws.
Pom zoo:
Kuv yuav pib lub tsev qiv ntawv hauv zej zog li cas?
Yuav Ua Li Cas Pib Ib Lub Tsev Qiv Dawb Me: Tsib kauj ruam yooj yim! Kauj Ruam Ib: Txheeb Xyuas Qhov Chaw & Tus Saib Xyuas. Ua ntej txiav txim siab qhov twg koj tuaj yeem raug cai thiab ruaj ntseg nruab Lub Tsev Qiv Ntawv. Kauj ruam 2: Tau ib lub tsev qiv ntawv. Kauj ruam 3: Sau npe rau koj lub tsev qiv ntawv. Kauj Ruam 4: Tsim kev txhawb nqa. Kauj Ruam 5: Ntxiv koj lub tsev qiv ntawv rau hauv Daim Ntawv Qhia Ntiaj Teb
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