Kusika Database: nzira uye huripo mapedzero

Nyaya ino inotsanangura kuti muitiro kuti programmers akanzi "pakusikwa Database." We tsanangura kuti zviri zvikuru richikunetesa. Nani, Chokwadi, vanhu havana kusununguka nguva mu "kwemasango" izvi haisi kuenda. Zviri nyore zvikuru kuti ape ichi vakabatikana nenyanzvi. Eya, nhasi Indaneti izere ma ads dzakadaro. Somuenzaniso, pane samambure freelance exchanges kana nyanzvi zvakafanana, unogona kuwana nyore nyaya chero exchange. Kuti aite izvi unofanira kushandisa nokuda kwoUmambo chirongwa yakadai se zvisingatomboiti nyaya, achirondedzera zvakafanira basa.

Chii nokuumba Database? Kune miviri mhando Database: pakombiyuta uye nemhosva-Server. Kuti vagadzire pakombiyuta Databases unofanira purogiramu akadai Access. Uchakwanisa kuwana nayo chero muhofisi Suite nyore. Access ikozvino unobereka yakasimba Infra-Office, Microsoft nevamwe creators muhofisi Inn zhinji. Kana yeGmail.END_STRONG-Server womuenzaniso, muenzaniso nyore kunogona chinozoiswa mauto 'kudzidziswa »Delphi chirongwa. Serious Database nhasi zvakanyorwa Oracle uye Visual Fox Pro. Izvi Software platforms takashongedzerwa aine graphical chishandiso kusika kupatsanurwa zvikumbiro kuna Database muna 500 000 uye 1 miriyoni kana makumi emamiriyoni mitsara.

Funga chinonyanya kukwezva pachikuva hurongwa adarika Delphi 6.0. Tinoti kamwechete kuti kusikwa imwe Database muna Delphi - hazvina chete kugamuchira mafaira * .db kana * BDB, uye achiiisa PC, Tuning uye kushandisa michina. Saka, muna Delphi 6.0 pave Database faira ari subroutine yaiva huru Muterere ari Ide, Date Base Desktop 6.0.

Pano muchawana zvose zvokushandisa unofanira kusika munhu Database faira, chinangwa chacho uye rudzi pre-zvekupfakira. Cherechedza kuti iwe uchava zvinowanikwa zvakasikwa uye kushanda chete mafaira avo iro mutyairi iri yakaiswa pachikuva. Somuenzaniso, kushanda pamwe norudzi Visual Fox Pro 9.0 zvakakodzera kuisa zvakawanda kwokunze uchishandisa hurongwa mutyairi.

Maererano basa chirongwa Database, akasikwa Delphi 6.0, pasina coexistence waro papuratifomu, dambudziko iri riri kugadziriswa kugadzwa uye configuring Software Data Base Engine 6.0 pasuru (BDE).

Saka, kana uri wakatsunga kushanda Paradox faira mhando, zvino achinyora purogiramu neimwe-folder hard drive yako, unofanira kunonyoresa pazviruva ari pasuru Data Base Engine 6.0, izvo zvinosanganisira faira pamakwara avo zvivako, uye Database zita. zano iri inoshanda kana iwe kunokuita kusika zvirongwa kune imwe kombiyuta.

Pasuru yacho Data Base Engine 6.0 inofanira kuiswa iri kombiyuta apo iwe gadza Delphi 6.0 zvakagadzirirwa muchina yekubvuma.

Kutanga Database pamusoro Delphi 6.0 zvakakwana zvoga. Zvepakutanga chirongwa kuchengeta mashoko ane Database faira inotengwa pedyo keystrokes shoma. Pano, huru kuoma iri Implementation pamusoro ndeyeukama Database siyana. Saka PDNF 3 inogona akaziva nokuzvisarudzira maviri DBGRID pamatafura. Uye kugadzirira-siyana nemishumo iri QReport - ichi inyaya asingadi kunyange kuda kubata. Zvakakwana kutaura, zviri nani akamisa chirongwa yekubvuma hakurevi kukanda mudengu sezvo mumwe aishandisa nhoroondo vanhu vasingazivi kuti SQL, zvichabviswa chiite zvakare ...

Access kuumba munhu Database muhofisi Suite hakuna kuoma. Vachipinda purogiramu, iwe kuwana kuwana anodikamwa zvishandiso rokusika kana aongorore kumbova Database. Pano haufaniri richiva zvikuru nesimba kuumba mashoko kana itsva chimiro chirongwa. Zvose zviri akasarudza zvinenge intuitively. Saka, kuti asimbise kubatana pakati matafura vachishandisa graphical chishandiso kuti anenge munhu kubatwa anogona kubatanidza yako kutsvakwa kiyi maviri raida pamatafura.

Nyaya ino inokurukura chete nokuumba Database kudzidzisa uye pakombiyuta package. Panyaya dzakakomba zvirongwa, pasina ruzivo chokuvapo platforms izvi hamungatongogumburwi kupedza dambudziko vachikorovhera Databases makuru.