Desktop thiab neeg rau zaub mov Database Systems
Oracle, SQL neeg rau zaub mov, Microsoft Access, MySQL, DB2 los yog PostgreSQL? Muaj ntau ntau yam khoom ntawm cov khoom lag luam nyob hauv kev ua lag luam hnub no, txiav txim siab ntawm ib lub chaw rau koj lub koom haum kev lag luam ib qho kev ua haujlwm daunting.
Txhais Kom Koj Yuav Tsum Muaj
Database management systems (lossis DBMSs) muab faib ua ob pawg: desktop databases thiab server databases. Feem ntau hais lus, cov duab databases yog taw qhia rau cov tib neeg siv daim ntawv sau npe thiab nyob rau hauv tus qauv ntawm tus kheej computers (li lub sij hawm lub desktop ).
Databases databases muaj cov mechanisms kom ntseeg tau tias cov kev cia siab thiab sib npaug ntawm cov ntaub ntawv thiab cov neeg tau siv rau ntau tus neeg siv cov ntawv. Cov databases no yog tsim los khiav ntawm cov kev ua tau zoo siab thiab nqa tus nqe zoo dua ib tus nqi.
Nws yog ib qho tseem ceeb uas yuav tsum tau ua tib zoo saib xyuas ua ntej koj dhia dej thiab ua kom muaj kev txhim kho database. Koj yuav pom ntau zaus tias tus duab database yog tsim rau koj kev lag luam thaum koj pib npaj muas ib qho yooj yim neeg rau zaub mov. Koj kuj tseem yuav hle tau cov cai uas yuav tsum tau xa cov ntaub ntawv ntawm cov khoom lag luam, cov neeg ua hauj lwm raws li database.
Cov txheej txheem kev ntsuam xyuas cov kev xav tau yuav tshwj rau koj lub koom haum tab sis, yam tsawg kawg, yuav tsum teb cov lus nug nram qab no:
- Leej twg yuav siv cov database thiab cov haujlwm uas lawv ua yuav ua tiav li cas?
- Yuav hloov cov ntaub ntawv ntau npaum li cas? Leej twg yuav ua cov kev hloov kho no?
- Leej twg yuav tau muab nws kev txhawb rau lub database?
- Dab tsi yog muaj hardware? Puas muaj ib daim phiaj siv nyiaj yuav khoom ntxiv?
- Leej twg yog tus yuav los tuav tswj cov ntaub ntawv?
- Puas yuav muab cov ntaub ntawv nkag mus rau hauv Internet? Yog tias muaj, theem kev nkag mus yuav tsum tau txais kev txhawb nqa?
Thaum koj tau sau cov lus teb rau cov lus nug no, koj yuav npaj tau pib qhov txheej txheem ntawm kev ntsuam xyuas cov kev tswj xyuas cov kab ke database. Tej zaum koj yuav pom tau hais tias ntau tus neeg tau siv qhov kev sib tham nrog cov neeg siv khoom (xws li SQL neeg rau zaub mov lossis Oracle) los txhawb koj txoj cai. Ntawm qhov tod tes, ib cov duab database xws li Microsoft Access tej zaum yuav muaj peev xwm ua tau raws li koj cov kev xav tau (thiab yooj yim dua rau kev kawm, nrog rau cov gentler ntawm koj lub hnab tshos!)
Duab Databases
Desktop databases muaj ib qho pheej yig, yooj yim tov rau ntau ntau txoj kev ceev cia thiab kev tswj kev txwv. Lawv khwv tau lawv lub npe los ntawm kev tsim txiaj ntawm qhov tseeb tias lawv raug tsim los ntawm cov "desktop" (los yog tus kheej) ntawm cov computers. Koj tej zaum paub me ntsis txog cov khoom siv no - Microsoft Access, FileMaker thiab OpenOffice / Libre Chaw Ua Hauj Lwm Base (dawb) yog cov tseem ceeb tshaj plaws. Cia peb kuaj ob peb ntawm cov txiaj ntsim tau txais los ntawm kev siv cov qauv database:
- Desktop databases yog pheej yig. Koj yuav pom tias feem ntau cov qauv duab muaj nyob rau ntawm $ 100 (piv rau txhiab tus las rau lawv tus txheeb ze txheeb ze). Nyob rau hauv qhov tseeb, yog tias koj muaj ib daim qauv ntawm Microsoft Office, koj twb yog tus tswv ntawm daim ntawv tso cai Microsoft Access.
- Desktop databases yog user-friendly. Ib qho kev nkag siab ntawm SQL tsis tas yuav tsum siv thaum siv cov tshuab (tab sis ntau yam txhawb SQL rau koj geeks tawm muaj). Duab DBMSs feem ntau muaj kev yooj yim-los-navigate graphical user interface.
- Desktop databases muaj qhov web kev daws teeb meem. Ntau yam databases uas niaj hnub muab lub web functionality enabling koj mus luam tawm koj cov ntaub ntawv ntawm lub vev-xaij nyob rau hauv ib txoj kev zoo li qub lossis dynamic.
Neeg rau zaub mov Databases
Databases, xws li Microsoft SQL neeg rau zaub mov , Oracle, PostgreSQL qhib qhov chaw, thiab IBM DB2, muab cov koom haum muaj peev xwm los tswj cov nqi ntawm cov ntaub ntawv kom zoo rau ntau tus neeg siv thiab hloov cov ntaub ntawv ib txhij. Yog hais tias koj muaj peev xwm lis cov nqi hnyav tag, tus neeg ua hauj lwm raws li database yuav pab tau koj nrog cov ntaub ntawv qhia txog kev tswj xyuas.
Cov txiaj ntsim tau los ntawm kev siv cov neeg rau zaub mov raws li muaj ntau hom neeg. Cia wb mus saib ib ob peb ntawm cov kev lag luam ntau tau zoo:
- Flexibility. Cov ntaub ntawv raws li database databases tau lis txog lwm cov ntaub ntawv tswj qhov teeb meem koj tuaj yeem pov rau lawv. Cov neeg tsim khoom nyiam cov tshuab no vim hais tias lawv muaj qhov programmer-friendly programmer interfaces (los yog API) uas npaj rau kev txhim kho cov ntaub ntawv ntawm cov kev cai database. Lub Oracle platform yog txawm muaj nyob rau ntau lub operating systems, muab Linux junkies nrog ib theem ua si teb thaum paired tawm tsam Microsoft cov neeg.
- Kev ua tau zoo. Cov ntaub ntawv raws li database databases yog haib li koj xav kom lawv ua. Tus loj players muaj peev xwm siv cov khoom zoo li cia li hais txog cov kev tsim kho vajtse kom tsim nyog uas koj muaj peev xwm tsim tau rau lawv. Niaj hnub databases tau tswj ntau, high-speed processors, clustered servers, high bandwidth connectivity thiab txhaum kev cia siab cia tshuab.
- Scalability. Tus cwj pwm no mus rau tes ua ke nrog rau yav dhau los. Yog tias koj txaus siab muab cov kev pabcuam khomob tsim nyog, cov neeg rau zaubmov databases tuaj yeem ua haujlwm ceev nrawm ntawm cov neeg siv thiab / lossis cov ntaub ntawv.
NoSQL Database Alternatives
Nrog rau kev loj hlob xav tau rau cov koomhaum los muab cov ntawv teev cov txheej xwm loj - qee yam uas tsis muaj kev coj tus qauv - "NoSQL" databases tau ntau dua. Lub database NoSQL tsis yog teeb meem ntawm txhua kab / kab tsim ntawm cov kab kev cai sib txuas lus, tiam sis siv ntau tus qauv ntaub ntawv yooj yim. Tus qauv no nws txawv, nyob ntawm tus database: ib co txheej txheem cov ntaub ntawv los ntawm cov khoom tseem ceeb / tus nqi, cov duab los yog cov kab dav dav.
Yog tias koj lub koom haum xav crunch ntau cov ntaub ntawv, xav txog hom database, uas yog feem ntau yooj yim mus configure dua li qee qhov RDBMs thiab ntau tshaj qhov muag. Cov neeg sab nrauv muaj xws li MongoDB, Cassandra, CouchDB, thiab Redis.