Oracle Database: lub ntsiab yam ntxwv ntawm cov Oracle

Lub ceev ceev txoj kev loj hlob ntawm lub Information Society tau nyob rau hauv txoj kev loj hlob ntawm ntau yam technologies tsim rau kev pab raws qib. Ib tug ua ntej yog qhov yuav tsum tau ntawm vim txoj kev tshiab ntawm khaws cia thiab ua loj nyiaj ntawm cov ntaub ntawv siv kho vajtse.

Tshuaj ntawm qhov teeb meem yog cov creation ntawm ib tug database (DB) raws li ib tug txhais tau tias ntawm cov ntaub ntawv cia thiab cov ntaub ntawv puag tswj tshuab (DBMS) raws li cov ua txoj kev.

Yuav ua li cas yog ib tug DBMS

Database tswj system - ib tug txheej ntawm software cuab yeej uas yuav siv los tsim cov database, raws li zoo raws li xauj, search, thiab hloov lawv muab cov ntaub ntawv. cov ntaub ntawv poob lawm yog tshuaj los ntawm ib tug txheej ntawm cov lus thiab software. Nyob rau hauv kev xyaum, cov database yog feem ntau yog siv nyob rau hauv cov creation ntawm cov ntaub ntawv systems.

Niaj hnub no muaj ntau ntau kev xaiv rau database tswj systems uas paub qhov txawv ob functionality thiab yuav tsum mus rau lub computer. Raws li niaj hnub nim no DBMS yuav ua rau Oracle Database, uas yuav tsum tau los sib tham ntxiv, MySQL, Access, SQL neeg rau zaub mov, hma liab Pro.

Txawm tias muaj ntau haiv neeg ntawm lub database, lawv muab faib ua ob hom: multi-neeg siv thiab koj tus kheej.

Multi-Neeg tshuab

Cov platforms yog tsim los ua txoj kev pab raws qib rau haib computers. muaj coob tus neeg ua hauj lwm nyob rau hauv thaum uas tig mus nyob rau hauv xws li ib tug system, yog li nws muaj ob peb lub ntsiab, thiab ntau yeej:

• nucleus nyob rau hauv ib tug nco;
• neeg rau zaub mov;
• ib tug xov tooj unlimited kev thov kev pab kev pab cuam uas tau kev pab raws qib teem los ntawm cov neeg.

Nyob rau hauv xws li ib tug system siv ib lub ntsiab computer uas yog siv raws li ib tug neeg rau zaub mov thiab khw muag khoom cov ntaub ntawv thiab cov ntsiav. Xws li ib tug tov muab xis nkag tau mus rau tus neeg muas zaub database. Nyob rau hauv tas li ntawd, xws li ib tug database heev simplifies tus kho lus ntawm kom raug. High ceev cov ntaub ntawv kis tau tus mob ua rau lub lag luam npaum. Neeg yuav sib txuas lus nrog lub system ntawm kev network. Cov no yog cov cia li ib co ntawm qhov zoo ntawm cov multi-neeg siv database, uas tus Oracle Database.

tus kheej tshuab

Qhov no hom yog tsim los rau me me-scale daim ntaub ntawv. Cov systems yog muab tso rau hauv tus kheej computers thiab nrog tus neeg siv. Lub database thiab qhov kev pab cuam nws tus kheej yog muab nyob rau hauv tib disk.

Rau hnub tim, lub developers ntawm cov tshuab muaj ntxiv cov peev xwm ua hauj lwm nyob rau hauv ib tug networked ib puag ncig. Txawm li cas los, nyob rau hauv cov ntaub ntawv no nws tseem ceeb heev cov yam ntxwv ntawm txhua chaw ua hauj lwm. Cov no yog nyob rau hauv lub neeg rau zaub mov; Tag nrho cov neeg muas zaub yog yuav tsum tau rau nruab rau daim ntawv thov thiab ib daim qauv ntawm lub cev nws tus kheej. Tab sis cov tshuaj no ua rau cov teeb meem thaum cov ntaub ntawv hloov. Access rau lub hauv paus nyob rau hauv cov ntaub ntawv no yog tseem nyuab. Txhua tus neeg siv ua hauj lwm nyias, thiab nyob rau hauv nws qhov kev pab cuam uas tsis yog tsis pom mus rau lwm cov neeg. Yog hais tias lawv tsis thaiv, ces simultaneous nkag yuav problematic.

Yog xav paub ntxiv txog Oracle

Yuav ua li cas yog lub Oracle Database? Rau ntau xyoo, databases los ntawm Oracle muab neeg siv nrog nyiaj pab ntau tshaj kev nplij siab, kev ruaj ntseg, kev kawm ntawv siab thiab kev cia siab. Lub system txig qhia tau hais tias nws tus kheej thiab txhua tus ntawm nws cov feature yog ib qho tseem ceeb rau tus neeg. Feem ntau cov loj-scale ntaub ntawv systems yuav tsis ua yam uas tsis muaj kev siv ntawm no database.

Technology evolves heev sai sai, thiab cov khoom yog tas li tshiab xav tau. Cia thiab kev sis raug zoo nrog cov ntaub ntawv nyob rau kom theem muab ob peb lub nruab. Tab sis lub Oracle database nyob rau hauv cov hmoov txhuas, ua tsaug rau qhov txhim kho.

Ntsiab nta ntawm lub system

Qhov no database yog ib tug sau ntawm software Cheebtsam, lub hwj chim ntawm uas yog txaus rau lub koom haum ntawm peb tes num ntawm tej complexity. Zoo-tsim zoom txhais tau tias koj yuav cia ib tug xov tooj unlimited kev ntawm cov ntaub ntawv databases. Zuag qhia tag nrho kev kawm muab lub peev xwm mus nrog cov ntaub ntawv rau tej xov tooj ntawm cov neeg. Txwv tej zaum yuav cia li ua tus kho vajtse pab. Lub developers tau siv nyob rau hauv lub system tag nrho cov qhov zoo tshaj plaws neeg rau zaub mov technology, ua txoj hauj lwm los ntawm hauv Internet zoo tagnrho.

Ib qho tseem ceeb feature ntawm Oracle kuj txhawb ntau yam platforms. Linux, Qhov rai los yog muaj lwm yam kev khiav hauj lwm systems yuav cia tus database miv zoo. Nws yog ib nqi hais txog, thiab tsiv teb tsaws kev cai. Cov kev hloov mus rau kho tshiab versions ncaav tsis tshua muaj neeg yooj yim, ib tug tshwj xeeb kev pab cuam yuav hloov cov ntaub ntawv los ntawm lwm lub.

Yuav ua li cas yog cov kev xaiv rau tus database?

Lub developers muab neeg siv nrog plaub kev xaiv rau tus system:

• Standard tsab;
• Lite;
• Enterprise tsab;
• Tej tsab.

Qhov no kev faib yog pom tau tias muaj nyob rau hauv Oracle Database. Versions yog ntau zoo ib yam li txhua lwm yam. Lub ntsiab sib txawv yog nyob rau hauv lub haumxeeb yog ib feem, rau txhua qhov kev xaiv muaj cim kev xaiv.

Standard tsab

Tsis tshua muaj neeg nrov version, cov functionality yog dog dig xwb. Feem ntau cov feem ntau nws yog siv los tsim lub nruab rau lub me me muaj pes tsawg tus ntawm cov neeg muas zaub. Qhov no yog zoo tagnrho rau cov workgroup, me me ua lag ua luam, thiab li ntawm. D. Tab sis nyob rau hauv ib tug loj lub koom haum, kuj muaj chaw rau cov Standard tsab, thaum nws los txog rau tej thaj chaw deb qhov chaw. Tus nqi ntawm no version ntawm Oracle Database yog txo, thaum lub sij hawm uas twb muaj lawm muaj peev xwm yuav txaus mus ua hauj lwm zoo.

Oracle Lite

Cov feem ntau yooj yim thiab khaub-ncaws nyias version ntawm lub system. Nws yog qhov zoo tshaj plaws los mus siv nws rau mobile pab kiag li lawm, laptops, thiab hais txog. D. Ib qho yooj yim synchronization ntawm cov ntaub ntawv tiav los ntawm kev siv ntawm ntau interfaces. Daim ntawv thov kev loj hlob yog nqa tawm los ntawm cov pa txhais tau tias.

Enterprise tsab

Qhov zoo tshaj plaws version ntawm lub Oracle database nrog tag nrho cov uas twb muaj lawm possibilities. Qhov no system muaj unlimited possibilities thiab tso cai rau koj mus npaj kiag li tej project. Nyob rau hauv cov ntaub ntawv no, nws nyob tsuas yog nyob rau haib kho vajtse. Version tau sau qhov zoo tshaj plaws cia technology thiab kev sib txuas lus nrog cov lus qhia. Lub database neeg rau zaub mov yuav tsum tau mus ua hauj lwm ntsos tsis siv ceev xwmphem, ua tsaug rau zoo kawg li scalability. Ntau yam ntawm seev yuav pab tau backup koj cov ntaub ntawv thiab restore lawv thaum twg xav tau. Nqi lus no yeej tsis poob.

Tej tsab

Lub Oracle Database neeg yog zoo meej rau tus kheej siv los yog kev kawm. Functionality yuav tsum txaus los tsim cov kev pab cuam thiab lawv ntxiv siv rau ntau lub versions ntawm lub qhov rais. Lawv ua si ib tug tseem ceeb luag hauj lwm, piv txwv li. A. Nyob rau hauv lub NT los yog "2000" muaj rau tag nrho cov possibilities, thiab 95/98 / KUV xaiv yog tas vim qhov xwm ntawm tus operating system.

Nta ntawm version 11g

Tsis neeg siv nquag muaj teeb meem nrog lub installation ntawm lub database, thiab nyob rau hauv version 11g, tus txheej txheem no tau zoo heev yooj yim zog. Nyob rau hauv tas li ntawd, nws tau ua ntau yooj yim xwb tsis tus thawj, tiam sis kuj yog ib tug tshwj xeeb qhov chaw. Lub system yuav zoo tshaj yog hais tias nws yog qhov zoo rau qhov yuav tsum tau ua hauj lwm, thiab nyob rau hauv Oracle Database 11g, no nam zoo tsim.

Tsis tas li ntawd zoo scaling mechanisms. Los ntawm kev ntxiv tshiab ntshav nyob rau hauv cov pawg peev xwm ua tau zoo kawg ua tau zoo nyob rau hauv ceev thiab tsim tau ntawm cov neeg rau zaub mov. Muaj yog tsis muaj yuav tsum tau tsis txhob qhov kev pab cuam los yog mus kiag li sau dua tshiab rau lawv. Stability hauv daim ntawv thov yog tsis impaired txawm yog hais tias tus tsis ua hauj lwm ntawm ib tug neeg ntshav.

Yuav ua li cas kom tau txais cov database?

Nyob rau hauv lub official lub website koj yuav download tau qhov kev tsim nyog version ntawm lub cev, thiab nws yuav nco ntsoov yuav tus feem ntau competent tshuaj. Nyob rau hauv download page, koj yuav tsum tau tsuas mus xyuas thiab tshawb kom paub tseeb daim ntawv tso cai pom zoo, thiab ces xaiv qhov operating system.

Qhov kawg kauj ruam yog kev tso cai rau lub site. Yog hais tias muaj yog tsis muaj profile, koj yuav tau yooj yim tsim nws thiab teev nyob rau hauv. Lub xub ntiag ntawm ib tug account tsis yog tsuas yog yuav tsum tau, tab sis kuj pab tau. Nyob rau hauv tas li ntawd mus database download page, cov neeg siv yuav tau nkag mus rau lwm yam interesting possibilities.

Txhim kho Oracle 11g

Yuav ua li cas rau nruab Oracle Database 11g rau lub qhov rais 7? DBMS yog fej nyob rau hauv ib tug archive uas yuav tsum tau rau unzip tom qab daus.

Tom ntej no, koj yuav tsum tau ua cov nram no:

1. Nyob rau hauv lub DISK1 nplaub tshev qhib lub installation cov ntaub ntawv hu ua Setup.exe.
2. Dhau lub siab txais tos screen.
3. Pom zoo rau daim ntawv tso cai.
4. Xaiv ib qho chaw rau nruab qhov kev pab cuam (tab sis nws yog ib qhov zoo tshaj plaws mus rau tawm hauv txoj kev ntawm tus txheej txheem).
5. Tsim ib tug account khiav dej num.
6. Xyuas cov lus thiab paub meej tias lawv.

Installation yog yooj yim heev, thiab tag nrho cov kev ua yog intuitive. Nws yog ib nqi sau cia hais tias tsis tsuas yog nyob rau lub qhov rais thiaj li yooj yim mus teev tus database ntawm Oracle. Linux thiab tag nrho lwm yam kev khiav hauj lwm systems kuj tsis ua teeb meem, raws li ntau xa mus txheej txheem yog tib yam.