KọmputaDatabases

General echiche nke Access database

Modern mmepeanya bụ oké mkpa mgbe nile njikwa na ịnọgide na-enwe nnukwu mpịakọta nke iche iche data. Ọzọkwa, e nwere mkpa ka mgbe niile nyochaa mmetụta nke ha mgbanwe ozi ndị ọzọ faịlụ. The ọtụtụ adaba n'ụzọ na-ahazi ndị a niile Filiks ke ụdị a nchekwa data. A kemfe ngwá ọrụ maka otu nzukọ nwere ike ịbụ a na-ewu ewu nchekwa data omume Access.

Gịnị bụ a DBMS

Dị iche iche na data a na echekwara na a tabular ụdị. Ọ na-eme na a ole na ole tebụl nwere ozi nke metụtara onye ọ bụla ọzọ n'ụzọ ụfọdụ. The ozuzu oke nke ndị a jikọrọ tebụl bụ a nchekwa data.

Iji nwere ikike zuru ezu ịgbanwe data si a nchekwa data, ị ga-eme gbara ajụjụ. Iji ikwado ẹkụre mbụ ọmụma isi, emekarị na-eji pụrụ iche iche-iche. Machiini usoro nwere Ọzọkwa iji macros na ụfọdụ. The collection of ọdụ data na ndị ọzọ na ngwaọrụ Nleta a usoro a na-akpọ a DBMS - akara usoro nchekwa data. Otu ihe atụ pụrụ ịbụ Foxpro, Iha, database Microsoft Access.

Isi ọrụ nke DBMS

Access DBMS anamde ndị na-esonụ dị mkpa na ọrụ:

- mejuputa ndị dị mkpa omume na data na formulas;

- guzosie ike njikọ n'etiti tebụl na data tent;

- ike tinye arịrịọ.

All Toolkit, nke dị na nchekwa data MS Access ngwá, iji n'ụzọ zuru ezu na-eje ozi abụọ isi ntụziaka na ozi usoro. Nke a nzukọ imewe na mgbanwe nke nchekwa data Ọdịdị na ihe dị iche iche dị mkpa data manipulations.


Isi iche Database Access

Ọtụtụ ndị ọzọ na akara usoro na-eji site programmers machiini ọrụ na ọdụ data, database Access bụ mfe na-amụta. Ebe ọ bụ na n'elu ikpo okwu bụ Russified, nakwa dị ka a nile ụkpụrụ MS Office interface, ọbụna na-enweghị uche na ọrụ ga na-eche ọ bụla erughị ala na oge nke ya mmepe mmemme.

N'otu oge ahụ, Access bụ ihe zuru ezu ihe omume management data tent na niile dị mkpa àgwà. Mepụta a usoro ike ga-eji ọ bụghị nanị na na a otu kọmputa, ma na obodo netwọk.

Access ohere

Nke a na usoro enye gị ohere ike mbụ akpọkwa ke ụdị nke tebụl na ubi nke dị iche iche, dị ka ọnụọgụ, ederede, ndịna-emeputa, ọbụna Adanlodu Ole ubi.

Ọzọkwa, mmekọrịta dị n'etiti tebụl a na-nyere, nke cascade akwado data update na cascade ihichapụ ma ọ bụrụ na ọ dị mkpa.

All isi data arụmọrụ dị otú ahụ ka na-abanye, na-ele, na ịchekwa, emelite, sorting, nzacha, nweta n'omume. Ọzọkwa indexing rụrụ na họrọ ubi, akara ọmụma banyere.

Mgbe-emecha na ngụkọta oge nke ubi nwere ike ji mee iji dị iche iche formulas.

Database Access - a adaba na ihe kwere nghọta na omume nke nwere niile atụmatụ ndị a ọkachamara ngwa.

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