Cov txheej txheem:
Video: Yuav siv SQL li cas hauv database?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
SQL yog siv sib txuas lus nrog a database . Raws li ANSI (American National Standards Institute), nws yog hom lus rau kev sib raug zoo database tswj systems. SQL ntawv nqe lus yog siv los ua cov haujlwm xws li hloov kho cov ntaub ntawv ntawm a database , los yog muab cov ntaub ntawv los ntawm a database.
Hais txog qhov no, SQL databases ua haujlwm li cas?
Hauv database systems, SQL ntawv cov nqe lus yog siv los tsim cov lus nug los ntawm tus neeg siv khoom mus rau qhov database . Qhov no tuaj yeem tso cai rau cov neeg siv los ua ntau yam ntawm cov ntaub ntawv ceev ceev. Yog li ntawd, rau qhov yooj yim muab nws, SQL ntawv yog hom lus tseem ceeb uas tso cai rau koj database servers khaws thiab kho cov ntaub ntawv ntawm nws.
Qhov thib ob, SQL Server database yog dab tsi? SQL Server yog a database server los ntawm Microsoft. SQL ntawv yog ib hom lus programming tshwj xeeb tsim los tswj cov ntaub ntawv hauv kev sib raug zoo database tswj qhov system. A database server yog ib tug computer program uas muab database cov kev pab cuam rau lwm cov kev pab cuam lossis computers, raws li tau hais los ntawm tus neeg siv khoom- server qauv.
Ua raws li qhov xav tau, koj siv lub database li cas?
Kev siv rau database systems muaj xws li:
- Lawv khaws cov ntaub ntawv thiab muab cov chaw tshawb nrhiav cov ntaub ntawv tshwj xeeb hauv cov ntaub ntawv muab.
- Lawv khaws cov ntaub ntawv tshwj xeeb siv los tswj cov ntaub ntawv.
- Lawv tuaj yeem daws cov teeb meem uas ntau tus neeg siv xav nkag mus (thiab tejzaum nws hloov) tib cov ntaub ntawv nkag.
Kev siv txhais li cas hauv SQL?
Cov Siv Nqe lus yog siv los xaiv ib tug database thiab ua SQL ntawv ua haujlwm rau hauv cov ntaub ntawv ntawd. Cov ntaub ntawv tseem nyob li qub mus txog thaum kawg ntawm kev sib kho lossis ua tiav ntawm lwm qhov Siv nqe lus nrog lwm cov ntaub ntawv.
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