Puas yog SQL Server ib leeg threaded?
Puas yog SQL Server ib leeg threaded?

Video: Puas yog SQL Server ib leeg threaded?

Video: Puas yog SQL Server ib leeg threaded?
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Cov neeg ua haujlwm thiab xov

A SQL Server tus neeg ua hauj lwm yog ib qho abstraction uas sawv cev rau ib ib leeg kev khiav hauj lwm qhov system xov los yog fiber ntau (nyob ntawm qhov kev teeb tsa 'lub teeb yuag pooling').

Ntawm no, yog SQL Server multithreaded?

1 Teb. Yog tias server computer uas SQL Server yog khiav muaj ntau CPU's SQL Server tuaj yeem khiav ib qho lus nug nyob rau hauv parallel siv ntau threads . Ntxiv nrog rau kev khiav cov lus nug cov neeg siv ntawm ntau lub processors SQL Server kuj siv tau ntau threads tsim indexes.

Tsis tas li ntawd, xov hauv SQL Server yog dab tsi? SQL Server khaws cia xov los ntawm Windows. SQL Server Nws muaj nws tus kheej lub sijhawm teem sijhawm, ywj pheej ntawm kev teem sijhawm ua los ntawm kev ua haujlwm. Es tsis txhob siv Windows xov ncaj qha, SQL Server tsim ib lub pas dej ua ke ntawm cov neeg ua haujlwm xov uas yog mapped rau Windows xov thaum twg los xij yuav tsum tau ua.

Tsis tas li ntawd, puas yog MySQL ib leeg threaded lossis multithreaded?

Yog lawm, MySQL yog multithreaded paub meej. Tab sis a ib leeg lus nug yuav tsis yog. Yog ib ib leeg lus nug tsis tau ntau xov , uas tsis piav qhia vim li cas peb pegged thiab tuav ntawm 50% tag nrho cov kev siv cpu (4-core) kom txog rau thaum cov lus nug teeb meem raug tua.

Puas yog SQL Server xov muaj kev nyab xeeb?

Peb ODBC tsav tsheb rau ASE, MySQL, Oracle, SQL ntawv Azure, SQLite, thiab SQL Server yog tam sim no xov - nyab xeeb . Lawv tswj cov ntaub ntawv sib koom ua ke hauv ib yam uas ua kom muaj ntau yam xov coj tus cwj pwm kom zoo thiab raug coj mus ua ke yam tsis muaj kev sib cuam tshuam.

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