YeGmail.END_STRONG-Server michina

yeGmail.END_STRONG-Server zvemichina rinopa mbiri akazvimirira kuwirirana pezvakaitwa - server nemhosva, kubatana pakati pavo pamusoro nomumbure.

Servers vanonzi kwemasayendisiti anokonzera rutsigiro kubva Database uye faira gadziriro, uye mutengi - kwemasayendisiti kuti atumire chikumbiro uye nokushaiwa mhinduro kubva Server.

Client-Server womuenzaniso rinoshandiswa pakuvaka hurongwa Uropi pahwaro ari Database, uyewo neposvo. Pane anonzi faira-Server mapurani kuti yakasiyana chaizvo yeGmail.END_STRONG-Server.

Data ari faira Server ezvinhu kuchengetwerwa faira Server (Novell NetWare kana WindowsNT Server), uye vari kupatsanurwa kubudikidza nokushanda workstations "pakombiyuta Database", akadai Access, Paradox, FoxPro, etc.

Database iri panguva workstation, uye mashoko kumonyanisa anoitwa akawanda akazvimirira uye uncoordinated muitiro. Saka mashoko All chinopfuudzwa pamusoro nomumbure Server kuna workstation, iyo DZEMUNHU DZINODZORA kumhanya mashoko kugadzira.

yeGmail.END_STRONG-Server michina iri rakatangwa kushanda vaviri (kanenge) mafomu - vatengi uye servers kuti kuudza mabasa pakati pavo. Nokuti chengetedzo uye zvakananga zvitinakire humboo Server paanopindura, muenzaniso rinogona kuva SQLServer, Oracle, Sybase, uye vamwe.

The mushandisi inowanikwa inopa yeGmail.END_STRONG inobva kuvakwa iyo kushandisa maturusi kana pakombiyuta Database. Kukurukurwa date kugadzira iri akaurayiwa pamwe pamusoro nemhosva, uye pamwe pamusoro Server. Kuita chikumbiro kuna Server iri kuteererwa nemhosva, kazhinji mumutauro SQL. Vakagamuchira zvikumbiro kupatsanurwa pedyo server kuti yeGmail.END_STRONG (s), mugumisiro akadzokera.

The Data vari kupatsanurwa pane imwe nzvimbo akachengetwa - pamusoro Server, saka yakawanda vavo vasiri akayambutsawo pemambure.

Zvakanakira munhu nemhosva-Server mapurani

yeGmail.END_STRONG-Server zvemichina anounza mashoko unhu hwakadaro hurongwa:

• kuvimbika

Data nadzurudzo rinoitwa Database Server achishandisa kutengeserana mashandiro inopa uwandu hwezvinhu zvose zvabatanidzwa. ehupfumi akavhiyiwa akadai: 1) atomicity, iro rinopa mashoko akaperera nerimwe kutengeserana rinopedzisa; 2) rusununguko kwema vanoshandisa siyana; 3) mhosva kushivirira - rinoponesa migumisiro kutengeserana.

• Scalability, kureva, System vanokwanisa hakutsamiri uwandu vanoshandisa uye uwandu mashoko pasina kuchinja software kushandiswa.

yeGmail.END_STRONG-Server zvemichina anotsigira zviuru vanoshandisa uye gigabytes mashoko panguva yakakodzera Hardware papuratifomu.

• Security, kureva, yakavimbika date kudzivirirwa kunze komutemo kuwana.
• Kunzwisisa. Mafomu anoshanda data, govera musoro akaturikidzana: mukomana aishandisa inowanikwa; mitemo pfungwa kugadzira; date zvakanaka.

Sezvatotaurwa, faira-Server michina, zvose zvitatu akaturikidzana ikashandiswa kuva chete monolithic chikumbiro unomhanya ari workstation, uye kuchinja zvose akaturikidzana hazvo kutungamirira nadzurudzo chikumbiro, shanduro dzakasiyana-siyana pakati nemhosva uye Server, uye munoda kuita Software upgrades pamusoro workstations zvose .

Client-Server michina mbiri-weDanho chikumbiro rinopa mabasa ose nokuda paumbwe ose aishandisa inowanikwa iri nemhosva, uye zvose mashandiro anoita mashoko Database utariri - on Server, bhizimisi mutemo anogona dzika zvose server kuti nemhosva.

Three-pamwero chikumbiro kunoita imwe zvenguva sandara, izvo zvokurimisa bhizimisi mitemo, zvinova zvikuru shanduka zvinoriumba.

Multiple mumatunhu kubvumira kuchinja uye mutengo-zvinobudirira kujaira huripo chikumbira nguva updatable mabhizimisi zvinodiwa.