Puas yog PostgreSQL yooj yim kawm?
Puas yog PostgreSQL yooj yim kawm?

Video: Puas yog PostgreSQL yooj yim kawm?

Video: Puas yog PostgreSQL yooj yim kawm?
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Qhov no ua rau nws yog qhov cuab yeej zoo tshaj plaws rau kev kawm hais txog kev sib txheeb databases. PostgreSQL muaj cov ntaub ntawv ntxaws ntxaws heev. Txawm tias nyuaj rau lub pib – Nws yog ib qho nyuaj nrhiav ib qho yooj yim nkag point – tau mastered thawj kauj ruam, koj yuav tsis khiav tawm ntawm cov ntaub ntawv mus ntxiv koj kev paub.

Ib yam li ntawd, tib neeg nug, yog PostgreSQL nyuaj kawm?

PostgreSQL feem ntau scales zoo dua, thiab tuaj yeem lis qee cov lus nug nyuaj uas MySQL thiab nws cov derivatives ua tsis tau. Nws kuj tseem muaj kev txhawb nqa geospatial zoo dua los ntawm PostGIS. Tab sis nws yog nyuaj kawm , nyuaj dua teeb tsa, thiab nyuaj dua siv, thiab tsawg tus neeg siv nws uas txhais tau tias nws yog ntau nyuaj dua kom tau txais kev pab thiab kev txhawb nqa.

Ib yam li ntawd, kuv yuav tsum kawm PostgreSQL lossis MySQL? Yog koj xav tau kawm ib yam dab tsi uas muaj kev lag luam ntau dua nyob rau hauv kev cia siab ntawm kev nrhiav hauj lwm yooj yim dua, ces MySQL tej zaum yuav yog qhov kev xaiv zoo. Nws tseem qhib qhov chaw, ua haujlwm zoo nrog cov qauv kev sib raug zoo. Yog koj xav tau kawm ib yam dab tsi txog ANSI SQL, Postgresql yuav yog koj qhov kev xaiv zoo tshaj plaws ntawm peb.

Kuj Paub, Kuv yuav tsum kawm PostgreSQL?

Vim li cas Koj Yuav tsum Kawm PostgreSQL rau Data Science. Relational databases muab qhov xav tau kev txhawb nqa thiab kev nrawm ua haujlwm nrog cov ntaub ntawv loj. PostgreSQL yog ib qho ntawm cov kev sib raug zoo database tswj systems. Tsim tshwj xeeb los ua haujlwm nrog cov ntaub ntawv loj, Postgres yog qhov kev sib tw zoo meej rau cov ntaub ntawv tshawb fawb.

Dab tsi database kuv yuav tsum kawm ua ntej?

Kuv cov lus qhia yog tias koj yuav tsum pib nrog RDBMS thiab dhau los ua neeg paub. Thaum koj kawm paub yuav ua li cas feem ntau ntawm cov ntaub ntawv tawm muaj ua haujlwm, koj tuaj yeem tawm mus rau tus menyuam tshiab ntawm qhov thaiv thiab kawm txog NoSQL . Qee qhov system database los tshawb xyuas: PostgreSQL , MS SQL ntawv Server, thiab MySQL.

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