Video: Vim li cas peb siv cov txheej txheem khaws cia hauv MySQL?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Cov txheej txheem khaws cia pab txo cov tsheb khiav hauv network ntawm daim ntawv thov thiab MySQL Server. Vim tias tsis xa ntau cov lus SQL ntev, cov ntawv thov yuav tsum xa tsuas yog lub npe thiab cov kev txwv ntawm cov txheej txheem khaws cia.
Tsuas yog li ntawd, kev siv cov txheej txheem khaws cia hauv MySQL yog dab tsi?
Cov txheej txheem khaws cia yog npaj SQL ntawv code uas koj tuaj yeem txuag tau, yog li cov lej tuaj yeem rov qab siv dua thiab ntau dua. Yog li yog tias koj muaj SQL ntawv cov lus nug uas koj sau ntau dua, txuag nws raws li cov txheej txheem khaws cia, thiab tom qab ntawd tsuas yog hu rau nws kom ua tiav.
Tsis tas li ntawd, MySQL puas muaj cov txheej txheem khaws cia? Feem ntau tag nrho cov kev sib raug zoo database system txhawb khaws cov txheej txheem , MySQL 5 yiv khaws cov txheej txheem . Qhov sib txawv loj yog tias UDFs tuaj yeem siv tau zoo li lwm yam kev qhia hauv SQL nqe lus, qhov twg cov txheej txheem khaws cia yuav tsum raug hu siv CALL nqe lus.
Tsis tas li ntawd, lub hom phiaj ntawm kev khaws cia yog dab tsi?
A khaws cov txheej txheem yog siv los muab cov ntaub ntawv, hloov kho cov ntaub ntawv, thiab tshem tawm cov ntaub ntawv hauv cov lus database. Koj tsis tas yuav sau tag nrho SQL hais kom ua txhua zaus koj xav ntxig, hloov kho lossis tshem tawm cov ntaub ntawv hauv SQL database.
Vim li cas cov txheej txheem khaws cia siv?
Cov txiaj ntsig ntawm kev siv cov txheej txheem khaws cia A khaws cov txheej txheem khaws cov ntaub ntawv ncaj ncees vim tias cov ntaub ntawv nkag mus rau hauv ib qho zoo ib yam. Nws txhim kho cov khoom tsim tau vim cov lus hais hauv a khaws cov txheej txheem tsuas yog yuav tsum tau sau ib zaug.
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