ETL stack yog dab tsi?
ETL stack yog dab tsi?

Video: ETL stack yog dab tsi?

Video: ETL stack yog dab tsi?
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Anonim

Yog tias koj lub lag luam muaj cov ntaub ntawv khaws cia, ces koj tau siv ETL (los yog Extract, Hloov, Load). Seb koj puas tau thauj cov ntaub ntawv los ntawm koj qhov muag pawg rau hauv koj lub tsev khaws khoom, lossis koj tau tsim cov kav dej yooj yim ntawm cov apps yooj yim, ETL yog thelever uas unlocks tus nqi ntawm koj cov ntaub ntawv warehouse.

Tsis tas li ntawd, ETL yog dab tsi?

ETL yog luv rau extract, transform, load, threedatabase functions uas yog ua ke rau hauv ib lub cuab tam los rub cov ntaub ntawv tawm ntawm ib tug database thiab muab tso rau hauv lwm database. Extract yog tus txheej txheem ntawm kev nyeem cov ntaub ntawv los ntawm ib tug database. Kev hloov pauv tshwm sim los ntawm kev siv cov cai lossis saib cov rooj lossis los ntawm kev sib txuas cov ntaub ntawv nrog lwm cov ntaub ntawv.

Tsis tas li, ETL cov cuab yeej cov ntaub ntawv khaws cia yog dab tsi? ETL cov cuab yeej muaj graphical interfaces uas ceev cov txheej txheem ntawm daim ntawv qhia cov lus thiab kab nruab nrab ntawm qhov chaw thiab lub hom phiaj databases. ETL cov cuab yeej tuaj yeem sau, nyeem thiab tsiv teb tsaws cov ntaub ntawv los ntawm ntau yam cov ntaub ntawv cov qauv thiab thoob plaws platforms, zoo li lub mainframe, server, thiab lwm yam.

Tsuas yog li ntawd, ETL tsim yog dab tsi?

Cov txheej txheem ntawm kev rho tawm cov ntaub ntawv los ntawm qhov system thiab coj mus rau hauv cov ntaub ntawv khaws cia yog feem ntau hu ua ETL , uas stands rau extraction, transformation, thiab loading. Nco ntsoov tias ETL hais txog cov txheej txheem dav dav, thiab tsis yog peb txoj kev txhais tau zoo.

ETL yog dab tsi thiab thaum twg nws yuav tsum tau siv?

ETL stands rau extract, transform, load -peb kev khiav hauj lwm koj ua kom txav cov ntaub ntawv raw los ntawm txhua qhov chaw nws nyob - piv txwv li nyob rau hauv ib tug huab daim ntawv thov los yog nyob rau hauv lub database - mus rau hauv ib lub tsev khaws ntaub ntawv cov ntaub ntawv, qhov twg koj yuav khiav daim ntawv thov xws li kev lag luam txawj ntse tawm tsam nws.

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