Dhiyabhorosi Mavambo Mavambo Dzimwe nguva Iva Pamba Chekutanga
Chinhu chakakosha chinosanganiswa chezvinhu zvinogona kushandiswa zvakasiyana-siyana kuti uone rekodhi rekodhiyo pasina kutaura kune imwe dhesi. Tafura imwe neimwe inogona kuva nemunhu mumwe kana kupfuura. Chimwe chezvikwereti zvinosarudzwa zvinosarudzwa sehofura yekutanga . Tafura ine chinyorwa chimwechete chekutanga, asi inogona kuva nezvikwereti zvakawanda zvevadzidzi. Kana ikakosha yekodhi yakagadzirwa nemamwe mapoka maviri kana kupfuura, zvino inonzi "composite key".
Zvitoro zveMutevedzeri Key
Zvose zvinokwidziridzwa zvinokwana zvimwe zvinhu. Chimwe chezvinhu izvi ndeyekuti hupenyu hwose hwehwu hunokosha, izvo zvinoshandiswa pakuzivikanwa zvinofanira kuramba zvakafanana. Chimwe ndechokuti kukosha hakugone kusina. Pakupedzisira, chinhu chakakosha chinofanira kuva chakasiyana.
Semuenzaniso, kuti zvioneke mumwe nomumwe mushandi kambani inogona kushandisa nhamba yebazi re Social Security. Sezvaunogona kuona, kune vanhu vane mazita okutanga, mazita ekupedzisira, uye nzvimbo, asi hapana vanhu vaviri vakambova neyoyo Social Security nhamba.
| Social Security Number | Zita rokutanga | Zita rokupedzisira | Position |
|---|---|---|---|
| 123-45-6780 | Craig | Jones | Manager |
| 234-56-7890 | Craig | Beal | Shamwari |
| 345-67-8900 | Sandra | Beal | Manager |
| 456-78-9010 | Trina | Jones | Shamwari |
| 567-89-0120 | Sandra | Smith | Shamwari |
Mienzaniso yeVadzidzi Vechidiki
Dzimwe mhando dze data dzinogona kuzvikweretesa sevadzidzi:
- International Standard Book Numbers-ISBNs zvakasiyana-siyana kuziva mabhuku uye mimwe mitauro yakabatana. Kubudiswa kweChriss kwakanyatsogadziriswa nevashandi vemasuo emasuo uye ISBNs kazhinji havasati vashandiswa zvakare nevaparidzi.
- Nhamba nhamba dzebhangi dzeBhangi-Mabhanji akawanda haadzokeri nhamba dzebhuku.
- Nhamba dzenhepfenyuro-Kunyange zvazvo nhamba dzemajeri dzisingatungamiri kumativi ose emaindasitiri, mumamiriro ezvinhu emupiki mumwe chete, nhamba ye serial inofanira kugara yakasiyana.
- Dhiverisi yeirivha nhamba-Kazhinji, nhamba idzi hadzina kuverengwa. Zvisinei, munhu anofamba kubva kuhurumende kusvika kune imwe nyika anogona kuva neDL imwe yenhamba.
- National Provider ID-Physicians nevamwe vanopa mvumo yezvokurapa mumwe nomumwe vane anga rimwe chete NPI iyo yakasiyana navo, yakabudiswa neDhipatimendi reUnited Health uye Human Services.
Zvisinei, mamwe marudzi ehumwe ruzivo rwungaita sevakakosha zvakanaka zvechokwadi anoratidza dambudziko:
- Foninhamba nhamba-Vakawanda vatakuri vanodzokorora nhamba dzenhare, uye vanyori vanogona kunge vane mafoni akawanda mafoni pamwe chete.
- Universal Price Codes-UPCs dzakasiyana, asi muridzi wePC block anogona kugadzirisa zvinodhaka paanoda.
- Nhoroondo dzechiremba nhamba-MRNs dzinowanzobudiswa pachirwere chechipatara, pasina chero rudzi rwehutungamiri rwehurumende pamusoro
- Nzvimbo dzekuchengetedzwa kwevanhu nhamba-Kunyange zvazvo dziri dzidziso dzakasiyana, SSN dzinodzokororazve, uye SSN unyengeri hunojairika kuitira kuti izvi zvinganzwisisiki zvinotarisana nematambudziko makuru e data. (Muchirevo chemugadziri anoona SSNs, dambudziko iri harisi dambudziko.)