Video: Dab tsi yog Oracle muab pob khoom?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Oracle Supplied Packages . Oracle muab ntau pob khoom nrog rau Oracle neeg rau zaub mov, xws li mus txuas ntxiv kev ua haujlwm ntawm cov ntaub ntawv lossis muab PL / SQL nkag mus rau SQL nta.
Ua raws li qhov no hauv kev txiav txim siab, Oracle pob khoom yog dab tsi?
Hauv PL/SQL, a pob yog ib qho khoom siv schema uas muaj cov lus txhais rau ib pawg ntawm cov haujlwm muaj feem xyuam. A pob suav nrog variables, tas li, cursors, exceptions, txheej txheem, functions, thiab subprograms. Nws yog compiled thiab khaws cia rau hauv lub Oracle Database. Feem ntau, a pob muaj specification thiab lub cev.
Kuj Paub, DBMS pob yog dab tsi? Pob ntawv . "A pob yog lub thawv rau lwm yam khoom siv database." A pob tuaj yeem tuav lwm yam khoom siv hauv database xws li kev sib txawv, consatants, cursors, kev zam, cov txheej txheem, kev ua haujlwm thiab sub-programs.
Tib neeg kuj nug, Oracle DBMS pob yog dab tsi?
Oracle DBMS pob tuaj yeem siv rau hauv kev tsim ntawm Oracle daim ntawv thov. Thaum lub installation ntawm Oracle , ob peb built-in DBMS pob muaj nyob rau hauv thiaj li yuav txuas ntxiv Oracle cov core functionality. Cov no pob khoom yog hu ua built-in pob khoom . Lub built-in pob khoom yog ntsia los ntawm scripts catproc.
Qhov txawv ntawm Oracle pob thiab txheej txheem yog dab tsi?
Qhov tseem ceeb tshaj plaws qhov sib txawv ntawm cov txheej txheem thiab muaj nuj nqi yog: txheej txheem yog sau ib zaug xwb. Yog li cia cia txheej txheem yog ua haujlwm ntau dua li kev ua haujlwm. Ob leeg muaj nuj nqi thiab txheej txheem xa ib tug nqi. Raws li tau hais los saum no, pob yog zoo li lub thawv rau kev ua haujlwm thiab khaws cia txheej txheem.
Pom zoo:
Dab tsi yog cov txheej txheem ua haujlwm thiab pob khoom hauv Oracle?
Cov txheej txheem thiab kev ua haujlwm yog schema cov khoom uas muaj kev sib koom ua ke ntawm SQL thiab lwm yam PL / SQL programming lus nqe lus ua ke los ua ib txoj haujlwm tshwj xeeb. Cov txheej txheem thiab kev ua haujlwm yog tsim nyob rau hauv tus neeg siv lub schema thiab khaws cia rau hauv cov ntaub ntawv rau kev siv txuas ntxiv
Dab tsi yog qhov zoo ntawm pob khoom hauv Oracle?
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Kev them nyiaj yog kev sib raug zoo ntawm cov khoom ntawm ib yam khoom thiab lub peev xwm ntawm tus neeg sawv cev uas txiav txim siab seb qhov khoom siv tau li cas
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Kuv puas tuaj yeem nqa pob khoom ntawm qhov chaw xa ntawv tsis yog khoom xa tuaj?
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