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Ma Database Management Systems & DBMSs

Mbiri yaukadaulo wazidziwitso m'mabungwe

Makampani amayamba kugwiritsa ntchito ma automatisms ndi makina ngakhale makompyuta asanabwere, mwachitsanzo kumayambiriro kwa zaka za m'ma 1900 makina adagwiritsidwa ntchito pokonzekera ofesi yolembera pogwiritsa ntchito makhadi olamulidwa ndi njira zosankhidwa, kapena kufotokoza mwachidule zambiri ndi akaunti, monga Tabulating. kapena Makina Owerengera.

International Business Machines, IBM, anabadwira m'gawoli: poyamba anagulitsa machitidwe obweza, omwe ankachitidwa kambirimbiri pamwezi; chifukwa chake panali machitidwe opangira ma invoice, koma osati owongolera: ziwerengero sizinapangidwe ndipo panalibe malo osungira ma voliyumu akulu. dati.

A metร  degli anni 30 e degli anni 40, tre gruppi di lavoro principali lavorano sui calcolatori elettronici programmabili: Alan Turing in Inghilterra, con lโ€™obiettivo di realizzare un sistema di crittazione per scopi bellici, Konrad Zuse in Germania (da alcuni reputato il vero inventore del calcolatore elettronico) e John von Neumann con il team dellโ€™ENIAC in America. Gli americani in particolare hanno avuto il merito, dopo la guerra, di vedere un ruolo dei calcolatori allโ€™interno delle organizzazioni e di introdurli quindi in questi ambienti.

Lingaliro la chowerengera chokhazikika, komabe, lidayamba kale nthawi iyi: kale m'ma 1800 Charles Babbage adapanga makina owerengera, "injini yosiyana". Makinawa, komabe, adakhudzidwa ndi zovuta zamakina ndipo sanamangidwe konse ndi Babbage (kupanga molingana ndi mapangidwe apachiyambi kudamalizidwa mu 1991, Science Museum ku London). Pambuyo pake Babbage adapanga "analytic engine", makina ovuta kwambiri omwe amagwiritsa ntchito makadi okhomerera, omwe amatha kukonzedwa mwakufuna kwake. Inali ndi mayunitsi a masamu, kuyendetsa kayendedwe ndi kukumbukira: inali mapangidwe oyambirira a kompyuta ya Turing-complete.

Kumapeto kwa zaka za m'ma 50 zinadziwika kuti kompyuta ikhoza kugwiritsidwa ntchito mu bizinesi ndi kayendetsedwe ka anthu, omwe bungwe lawo linali kuvutika ndi kuchuluka kwakukulu kwa dati. Chifukwa cha kukwera mtengo, mabungwe akuluakulu okha ndi malo ofufuzira (monga malo) ndi asilikali angakwanitse kugula chowerengera.

M'zaka za m'ma 60, ukadaulo wazidziwitso udalowa m'makampani mofalikira komanso chifukwa cha ntchito ya IBM, yomwe idapanga mainframe yoyamba, System/360 (1964), yopangidwa kuti ikhale ndi kufalikira kwakukulu m'mabungwe apakati / akulu anthawi imeneyo. .

In quellโ€™epoca anche in Italia vi era una produzione di calcolatori elettronici per le organizzazioni, grazie ad Olivetti. Questโ€™azienda era composta da due gruppi di lavoro: a Pisa malingaliro ndi mawonekedwe a makinawo adachitika, ku Ivrea kunali malo ogulitsa malonda ndi kuyanjana ndi kasitomala. Kukula kwa makompyuta, mu nthawi ino, kunali kovuta komanso kosangalatsa, popeza njira zachitukuko sizinalipo zomwe zimatsimikizira kupanga makina ogwiritsidwa ntchito kwambiri.

M'kupita kwa nthawi matekinoloje amenewa anafalikira ndipo kompyuta inakhala njira yoyendetsera zinthu zonse zomwe zingathe kusindikizidwa.

Masiku ano, poyerekeza ndi zaka 40 zapitazo, makompyuta asintha kwambiri. Pakhala kusintha kochuluka kuyambira nthawi ya makhadi okhomeredwa, koma zomvetsa chisoni pakhalanso mavuto osapeลตeka obwera chifukwa cha kusintha kumene kumafuna. Pakalipano, nthawi iliyonse yomwe timayambitsa kusintha timayenera kuthana ndi matekinoloje omwe alipo kale (cholowa), nthawi zambiri osalembedwa bwino kapena osalembedwa konse, kuwoneratu kusakanikirana ndi nthawi zosamuka, kumenyana ndi kukana kwa ogwiritsa ntchito.

M'bungwe lamakampani pali kuyendetsa kogwiritsa ntchito makompyuta mosalekeza pazifukwa zosiyanasiyana. Chofunikira kwambiri ndi kuchuluka kwa shuga dati kuwongolera, zambiri zosalongosoka, komanso kufunikira kowerengera mobwerezabwereza kapena zovuta.

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