Mene ne wani database da kuma inda za a iya amfani da

Gane abin da mai database, shi ne, ba wuya. Muna kullum tsayar da ta jinsunan, ba ko da ya sani ba. Alal misali, a wani masana'antu, a wani ma'aikata, inda mutane aiki, da kayan aiki da ake amfani, akwai wani database inda bayanai rubuta a kan cikakken lokaci raka'a, watau, abun da ke ciki na ma'aikata, ma'aikata, hardware cewa an yi amfani da (kaya). library asusun katin fayil shi ne ma mai kyau misali na database.

definition

Saboda haka, abin da yake da tushe data? Yana tãra kuma tsari a cikin wani musamman hanya da bayani a kan wani topic cikin wani batu yankin. Kuma idan 'yan shekarun da suka gabata da suka wuce, da zama dole bayanai da aka rubuta da kuma adana a kan takarda, yanzu duk cikin abu na ban sha'awa da aka shiga wani kwamfuta da kuma adana a kwamfuta version.

rarrabuwa

Da abun ciki na wani database na kayan kasu kashi gaskiyane kuma shirin gaskiya. Gaskiyane dauke da taƙaitaccen bayani game da yadda aka bayyana abu. Bayani da aka bayar a cikin wani musamman hanya da kuma format. Alal misali, idan muna magana ne game da library database, sa'an nan a cikin ta game da kowane littafin ya ƙunshi bibliographic bayani kamar shekara da kuma wuri na littafin, marubucin, suna, da dai sauransu Da abun ciki na aiki, da rubutu da littattafai, da irin wannan database ba zai dauke. Human Resources a cikin database zai riƙe keɓaɓɓen bayani game da ma'aikata - cikakken suna, kwanan da kuma wurin haihuwa, sa makarantu, wata sana'a, wurin aiki, da dai sauransu

Documentary database iya ƙunsar wata babbar adadin bayanai raznotipovoy: wannan rubutu, graphics, multimedia fayiloli. Saboda haka, album na wani entertainer - wani samfurin na shirin database. Daga shi ba za ka iya gano game da albums saki singer, mawallafa na songs, listen to da songs, duba shirye-shiryen bidiyo dauka tare da su.

Godiya ga fasahar zamani da iyakoki tsakanin gaskiyane kuma shirin databases ne ba kaifi ne. Yanzu zaka iya haša bayanai daga daya database irin zuwa wani.

Bayani ajiya - wancan ne abin da database, da kuma samun wata babbar dama su yi godiya ga Internet ya zama sosai, sosai sauki aiki.

Bisa ga irin aiki da kuma ceto na database bayanai ya kasu kashi da zumunci da kuma cibiyar sadarwa.

Mene ne wani zumunci database cewa za a iya farraba idan batun bayani a cikin wani nau'i na Tables. Allunan suna da nasaba. Saboda haka, kaya na toys a kantin sayar da stock za a iya wakilta a matsayin mai tebur, inda iri toys (beyar, karnuka, giwaye, da dai sauransu) za a jera a cikin ginshikan, da yawan kowane jinsi (bears - 20 karnuka - 35, da dai sauransu) , da farashin buga wani babban total darajar da dukiya.

A da zumunci database ne mai sauqi don amfani da saba na dogon lokaci. Makaranta diary daga makaranta jadawalin rikodin aikin gida, kimomi da kuma lura - shi ne mai tabular database. Jadawalin na jiragen kasa, ko bas a tashar - ma wani zumunci database.

A da zumunci database kunshi layuka da kuma ginshikan. Table jere kuma ana kiranta a rikodin, da kuma shafi - filin. A rikodin ya ƙunshi bayani game da wani tsarin abu model, wanda shi ne mai tebur.

More hadaddun database model ne cibiyar sadarwa database. A gaskiya ma, cikin online database - wannan ne Internet kanta, da World Wide Web, da Global Network. Godiya ga hyperlinks, miliyoyin takardun suna da nasaba. Saboda haka sai suka samar da guda rarraba cibiyar sadarwa database. Kuma kusan duk wani Internet mai amfani iya haɗi zuwa da shi da kuma samun dama bayani.

Bugu da kari, idan da dama kwakwalwa suna da alaka zuwa guda maigida da zai iya, godiya ga shi, a lokaci guda aiki a kan hanyar sadarwa, sai suka samar da wani gida yankin cibiyar sadarwa ko mai gida database.

Wannan abin da a database ne da kuma yadda yake aiki.