Qhov txawv ntawm MySQL database table MyISAM thiab InnoDB hom yog dab tsi?Muab piv rau qhov twg zoo dua

• 在 MySQL Thaum tsim ib lub rooj hauv, koj tuaj yeem xaiv lub cav cia.
• Muaj ntau ntau lub cav sib txawv, tab sis feem ntau siv yog MyISAM thiab InnoDB, lawv txhua tus sib txawv MySQL Version ntawm lub default storage engine.
• Yog tias tsis muaj lub cav khaws cia tau teev tseg thaum lub rooj tsim, MySQL version's default engine yog siv.
• Hauv versions ua ntej MySQL 5.5.5, MyISAM yog lub neej ntawd, tab sis nyob rau hauv versions tom qab 5.5.5, InnoDB yog lub neej ntawd.

MySQL databaseQhov txawv ntawm MyISAM hom thiab InnoDB hom

• InnoDB yog tshiab, MyISAM laus dua.
• InnoDB yog qhov nyuaj dua, thaum MyISAM yooj yim dua.
• InnoDB yog nruj dua ntawm cov ntaub ntawv kev ncaj ncees, thaum MyISAM yog qhov yooj yim dua.
• InnoDB siv cov kab-theem xauv rau kev ntxig thiab hloov tshiab, thaum MyISAM siv lub rooj-theem xauv.
• InnoDB muaj kev lag luam, MyISAM tsis.
• InnoDB muaj cov tseem ceeb txawv teb chaws thiab kev sib raug zoo txwv, thaum MyISAM tsis.
• InnoDB muaj kev sib tsoo zoo dua, thaum MyISAM tsis tuaj yeem kho cov ntaub ntawv kev ncaj ncees thaum muaj kev sib tsoo.
• MyISAM muaj tag nrho cov ntawv tshawb nrhiav indexes, thaum InnoDB tsis.

InnoDB hom zoo

InnoDB yuav tsum ua qhov tseem ceeb ntawm cov ntaub ntawv kev ncaj ncees vim nws ua haujlwm cov ntaub ntawv kev ncaj ncees los ntawm kev sib raug zoo thiab kev lag luam.

Faster nyob rau hauv kev sau-intensive (ntxig, hloov tshiab) cov ntxhuav vim nws siv kab-theem xauv thiab tsuas yog khaws cov kev hloov pauv rau tib kab uas tau ntxig lossis hloov kho.

InnoDB Hom Disadvantages

• Vim InnoDB tswj kev sib raug zoo ntawm cov rooj sib txawv, cov thawj coj ntawm cov ntaub ntawv thiab cov neeg tsim schema yuav tsum siv sijhawm ntau los tsim cov qauv ntaub ntawv nyuaj dua li MyISAM.
• Siv ntau qhov kev pab cuam xws li RAM.
• Qhov tseeb, ntau tus neeg xav kom tua lub cav InnoDB tom qab txhim kho MySQL yog tias koj tsis xav tau.
• Tsis muaj daim ntawv qhia tag nrho

MyISAM Qhov Zoo

• Nws yog qhov yooj yim rau kev tsim thiab tsim, yog li nws tsim nyog rau cov pib tshiab.
• Tsis txhob txhawj txog kev sib raug zoo sab nraud ntawm cov rooj.
• Zuag qhia tag nrho sai dua InnoDB vim cov qauv yooj yim dua thiab qis dua cov peev txheej server.
• Daim ntawv qhia tag nrho.
• Tshwj xeeb tshaj yog pab tau rau kev nyeem-intensive (xaiv) rooj.

MyISAM Hom Disadvantages

• Tsis muaj kev ncaj ncees ntawm cov ntaub ntawv (xws li, kev txwv kev sib raug zoo) kev txheeb xyuas, uas ua rau muaj kev lav phib xaub thiab nyiaj siv ua haujlwm rau cov thawj tswj hwm database thiab cov neeg tsim cov ntawv thov.
• Kev ua lag luam uas tseem ceeb hauv cov ntaub ntawv tseem ceeb xws li kev lag luam nyiaj txiag tsis tau txais kev txhawb nqa.
• Nws qeeb dua InnoDB rau nquag tso lossis hloov tshiab cov rooj vim tias tag nrho cov lus raug kaw rau txhua qhov ntxig lossis hloov tshiab.

MyISAM hom vs. InnoDB hom, qhov twg zoo dua?

InnoDB yog qhov zoo dua rau cov ntaub ntawv tseem ceeb uas yuav tsum tau nkag mus thiab hloov tshiab.

MyISAM, ntawm qhov tod tes, ua tau zoo dua hauv cov ntawv thov uas tsis tso siab ntau dhau ntawm cov ntaub ntawv ncaj ncees, feem ntau tsuas yog xaiv thiab nthuav tawm cov ntaub ntawv.

1. Yog tias koj xav tau kev txhawb nqa kev lag luam, xaiv InnoDB, thiab xaiv MyISAM yog tias koj tsis xav tau kev hloov pauv.
2. Yog tias feem ntau ntawm cov lus ua haujlwm yog cov lus nug, xaiv MyISAM, thiab xaiv InnoDB rau kev nyeem thiab sau.
3. Tsis txhob xaiv MyISAM yog tias qhov system tsoo ua rau cov ntaub ntawv rov qab nyuaj thiab kim.

ib sivWordPress lub vev xaibIb tug neeg netizen, muaj ib hnub, nrhiav pom tias cov ntaub ntawv loj heev, tab sis lub vev xaib no muaj tsawg dua 10 cov ntawv, xws li cov ntaub ntawv loj tsis muaj qab hau.

Ces pib nrhiav qhov laj thawj thiab nrhiavphpmyadminLub backend database hom txawv ntawm lwm qhov chaw WordPress.

Lub vev xaib no yog hom InnoDB, thaum lwm qhov chaw WordPress yog hom MyISAM.

InnoDB hom yuav ua rau cov ntaub ntawv loj kom nthuav dav ob peb zaug, yog li netizens txiav txim siab hloov los ntawm InnoDB hom rau MyISAM hom 

Nyem qhov txuas hauv qab no kom paub yuav ua li cas phpMyAdmin hloov InnoDB cov ntaub ntawv rooj hom rau MyISAM default engine▼

Yuav ua li cas phpMyAdmin hloov InnoDB cov ntaub ntawv rooj hom hloov dua siab tshiab rau MyISAM default engine?

Yuav ua li cas phpMyAdmin hloov InnoDB cov ntaub ntawv rooj hom hloov dua siab tshiab rau MyISAM default engine?Nws raug nquahu kom hloov InnoDB cov ntaub ntawv rau hauv MyISAM cov ntaub ntawv: Ua ke nrog cov yam ntxwv ntawm tus kheej blogs, nws raug nquahu kom siv MyISAM rau tus kheej blog systems, vim tias lub luag haujlwm tseem ceeb hauv blogs yog nyeem ...