Cov txheej txheem:
Video: Lub khw muag khoom nug yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Query Khw yog ib tug tshiab feature nyob rau hauv SQL Server 2016 uas, ib zaug enabled, cia li captures thiab khaws cov keeb kwm ntawm lus nug , nug Cov phiaj xwm ua tiav, thiab cov ntawv sau sijhawm ua tiav rau koj qhov kev daws teeb meem kev ua tau zoo los ntawm nug kev hloov pauv.
Tsis tas li ntawd, kuv yuav ua li cas thiaj li qhib cov lus nug tom khw?
Enabling Query Store
- Hauv Object Explorer, right-click a database, thiab tom qab ntawd nyem Properties. Yuav tsum muaj tsawg kawg yog version 16 ntawm Management Studio.
- Hauv Database Properties dialog box, xaiv qhov Query Store nplooj ntawv.
- Hauv hom Kev Ua Haujlwm (Thov) lub thawv, xaiv Nyeem Sau.
Tom qab ntawd, lo lus nug yog, qhov lus nug regressed yog dab tsi? Regressed cov lus nug . Lus nug Lub khw tsom xam cov ntaub ntawv ua haujlwm thiab rho tawm 25 feem ntau regressed cov lus nug raws li cov metrics xaiv. Koj tuaj yeem xaiv cov kev ntsuas hauv qab no: CPU lub sijhawm, Lub Sijhawm, Kev nyeem cov lus qhia, Kev sau cov lus sau tseg, nyeem lub cev, nco noj, CLR sijhawm, DOP, thiab Kab Suav.
Tsis tas li ntawd, lub khw muag khoom puas cuam tshuam rau kev ua haujlwm?
Ironically, uas yog loj vim nws tus kheej muaj peev xwm cuam tshuam rau tus kev ua tau zoo ntawm SQL Server systems. Thaum twg Query Khw yog qhib, nws captures runtime txheeb cais thiab lwm yam ntaub ntawv hais txog tag nrho cov xa lus nug thiab nug kev npaj ua tiav ntawm ib lub hauv paus database.
Vim li cas cov lus nug tsuas yog nyeem?
Thaum Query Khw sau lus nug , kev npaj ua tiav, thiab kev txheeb cais, nws qhov loj me hauv cov ntaub ntawv loj hlob kom txog thaum qhov kev txwv no mus txog. Thaum muaj li ntawd, Query Khw cia li hloov lub lag luam hom rau nyeem - nkaus xwb thiab nres sau cov ntaub ntawv tshiab, uas txhais tau hais tias koj qhov kev soj ntsuam kev ua haujlwm tsis raug lawm.
Pom zoo:
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