Ndezvipi zvinangwa Database kugadzirwa

Chete Masangano maduku anogona kuronga mashoko rimwe, Integrated Database. Kazhinji, anotarisira kana boka revanhu asingatombokwanisi kufukidza uye kusangana mashoko zvinodiwa vose vakapiwa kubva nhengo dzesangano. Ndokusaka masangano makuru mashoko gadziriro ine vakawanda Databases dzinowanzoshandiswa anoparadzirwa mhiri vakawanda Connect hrs mumapoka akasiyana.

Vamwe Databases mashoko ose kunodiwa kugadzirisa rimwe kana chine mafomu, nezvigadziko dzakadaro dzinonzi mafomu. Kana rine mashoko nezvomumwe nyaya nzvimbo, zvichava kunzi pasi. Zvakaoma kuona kubatsira panyaya Databases, sezvo vanobvumira kuti kutsivira ruzivo hurongwa pasina rewriting mafomu ose kare zvakasikwa.

Chii Database kugadzirwa

Kana isu kutaura mashoko ezvinhu seboka, zvakakodzera kuzivisa dzinokosha. Kana ukaita pamasikiro Databases pamusoro kuitika kushanda uye avo kuti chete aona kusikwa mukuru mwero kunyatsoshanda mashoko ino inogona yekudyidzana nokukurumidza. Muchiitiko chino, pasi kumusoro zvinoreva hurongwa yakadaro, sechivako izvo kufunga rakajairika nzira kuwana ruzivo. Kuti chikumbiro Database design, uye zvino kukwezva kuwedzera Developers. Sezvo nhamba zvikumbiro zvakadaro ruzivo gadziriro inoita nokukurumidza kuwedzera kwenhamba Database zvikumbiro, izvo chinoita rakapinza kuwedzera date kuburitsa mufananidzo uye kuwedzera kukosha unozotevera mufambiro wavo.

Zvakaratidza kuti mumwe nomumwe pamusoro nzira kune akagadzira unochinja magadzirirwo kunoguma dzakasiyana-siyana. The chokupiwa mukana wokushandiswa uye kunyatsoshanda panguva imwe chete kwakaita kuti inonzwisisika Database magadzirirwo rinoitwa kushandisa nzira inoshandiswa uye aishanda zvakananga pasi kuswedera. Nyaya nzira iri aiwanzoshandiswa kuti vavake yepakutanga date mamiriro, uye chikumbiro raishandiswa chinangwa kugadzirisa chacho, zvainanga kuwedzera kunyatsoshanda mashoko kugadzira.

Database design - ndiko chete chikamu basa nechinangwa paakasika munhu ruzivo hurongwa. Kana totaura paumbwe imwe Integrated mashoko hurongwa, pano zvinokosha kuziva zvinodiwa kuti ayo nomumwe vanoshandisa. Operation date muunganidzwa rinotanga ndechokuti kudzidza zvakaitwa masangano uye pezvakaitwa dzesangano. masangano All ipapo hazvo dzikarongwa maererano zvimwe zvakafanana, uyewo nhamba kusungwa kuti inomuka pakati pavo. masangano avo kuti makaona mukuru Kufanana kana kufadza kakawanda kuti associative kubatana, yandakafuka anoungana nyaya Database.

kushandiswa Chinangwa chikuru pamusoro Database magadzirirwo vatsigiri kuderedza redundancy pamusoro zvakachengetwa data, kureva rinoponesa uwandu ndangariro, kuderedza mari yakatarwa pakati update remapazi makopi wandisa, uyewo kubvisa zvinoita chidzoke nokupokanidzana, chokuita kuchengetera mashoko pamusoro mumwe chinhu munzvimbo dzakasiyana.

Zvokukura magadzirirwo Database

Design nzira ane Mumagazini nechimwe matanho uye nzendo yokugadzirwa. Kune vakawanda mabasa chokuita pre-pachikuva, pashure zvinoitika kuumba mashoko feasibility kudzidza uye michina chirongwa pachayo. Pashure danho iri anoenda zvekushandisa design, riri chokuita kwegadziriro yoku- womuenzaniso, ndiye musoro uye mumuviri design, uyewo kugadzirwa uye mharidzo mashoko nokuda mafomu. Yokupedzisira ichaongororwa uchida kugadzirwa pachikuva, mugumisiro uri kuwana kugadzirwa Database, kuti hurongwa pacharo uye munyaya mapepa.