Video: Dab tsi yog qhov txawv ntawm SQL Standard thiab Enterprise 2016?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Thaum lub Enterprise tsab ntawm SQL ntawv Server 2016 Nws txhawb nqa ntau cov ntaub ntawv warehouse nta, lub Txuj tsab tsuas txhawb txheem algorithms thiab cov ntaub ntawv mining cov cuab yeej (Wizards, Editors, Query Builders).
Khaws qhov no hauv kev xav, qhov txawv ntawm SQL Enterprise thiab Standard yog dab tsi?
Zoo nkaus li tus xwb Qhov sib txawv ntawm Enterprise thiab Standard muaj feem xyuam rau cov hauv qab no: Performance Features, namely Txuj muaj peb ntawm kaum ib qhov kev ua tau zoo. Kev ruaj ntseg nta, xws li pob tshab encryption thiab auditing. Replication, uas yog hloov mus txog qhovtwg, sib koom ua ke thiab snapshot replication.
Ib sab saum toj no, TDE puas muaj nyob hauv SQL 2016 tus qauv? Raws li cov nplooj ntawv txhawb nqa ntawm SQL Server 2016 (https://docs.microsoft.com/en-us/ sql ua / sql ua - server /editions-and-components-of- sql ua - server - 2016 ), TDE yog xwb muaj hauv Enterprise Edition. Koj siv Txuj.
Ntxiv mus, SQL Standard Edition yog dab tsi?
Microsoft SQL ntawv Server Standard Edition yog kev sib raug zoo database server software muab cov cuab yeej rau cov ntaub ntawv khaws cia, tswj, tsom xam, thiab tshaj tawm. Microsoft SQL ntawv Server nrog server / CAL daim ntawv tso cai yuav tsum muaj txhua tus neeg siv lossis cov khoom siv uas nkag mus rau lub server muaj ntawv tso cai kom muaj daim ntawv tso cai nkag mus rau cov neeg siv khoom (CAL).
Dab tsi yog qhov txawv versions ntawm SQL Server?
Tam sim no version yog Microsoft SQL Server Kaum ib hlis 4, 2019 RTM version yog 15.0. 2000.5.
Tam sim no
- SQL Server 2012.
- SQL Server 2014.
- SQL Server 2016.
- SQL Server 2017.
- SQL Server 2019.
Pom zoo:
Dab tsi yog qhov txawv ntawm qhov sib txawv hauv zos thiab thoob ntiaj teb hauv SQL Server?
Qhov sib txawv hauv zos tau tshaj tawm hauv ib qho kev ua haujlwm whereas Ntiaj teb hloov pauv tau tshaj tawm sab nraum lub luag haujlwm. Cov kev hloov hauv zos tau tsim thaum lub luag haujlwm tau pib ua tiav thiab ploj thaum lub luag haujlwm xaus, ntawm qhov tod tes, Ntiaj teb hloov pauv yog tsim raws li kev tua pib thiab ploj thaum qhov kev pab cuam xaus
Dab tsi yog qhov sib txawv ntawm lub thawv thiab lub thawv ntawv thiab lub thawv ntawv yog dab tsi?
Ib lub thawv thiab cov ntawv nplawm (qee zaum hu ua boxplot) yog ib daim duab uas nthuav tawm cov ntaub ntawv los ntawm tsib lub ntsiab lus. Nyob rau hauv ib lub thawv thiab whisker zajlus: qhov kawg ntawm lub thawv yog lub sab sauv thiab sab quartiles, yog li lub thawv spans lub interquartile ntau yam. qhov nruab nrab yog cim los ntawm ib txoj kab ntsug hauv lub thawv
Dab tsi yog qhov txawv ntawm cov ntaub ntawv hom thiab qhov sib txawv?
Ib qho kev sib txawv yuav tsum muaj cov ntaub ntawv sib txuas nrog nws, piv txwv li nws tuaj yeem muaj cov ntaub ntawv xws li cov lej, lej lej, cov cim thiab lwm yam. Qhov sib txawv ntawm hom Integer khaws cov lej suav thiab tus cim typevariable khaws cov cim tus nqi. Thawj qhov sib txawv ntawm ntau hom ntaub ntawv yog lawv qhov loj me me
Dab tsi yog qhov zoo sib xws thiab qhov txawv ntawm relays thiab PLC yog dab tsi?
Relays yog electro-mechanical keyboards uas muaj coil thiab ob hom kev sib cuag uas tsis yog NO & NC. Tab sis Programmable Logic Controller, PLC yog lub khoos phis tawj me uas tuaj yeem txiav txim siab raws li qhov kev zov me nyuam thiab nws cov tswv yim & tso tawm
Dab tsi yog qhov sib txawv ntawm qhov ntsuas qhov ntsuas thiab qhov ntsuas thib ob?
Primary index: nyob rau hauv ib tug sequentially order file, qhov Performance index uas nws search key qhia cov sequential order ntawm cov ntaub ntawv. Kuj hu ua clustering index. Secondary index: ib qho Performance index uas nws qhov tseem ceeb tshawb nrhiav qhia qhov kev txiav txim sib txawv ntawm qhov kev txiav txim ntawm cov ntaub ntawv. Kuj hu ua non-clustering index