Isiqulatho[Fihla][Bonisa]
- 1. Ubuchaza njani ubukrelekrele boshishino?
- 2. Yintoni eyahlula umhlalutyi wezoshishino ukusuka kumhlalutyi wedatha?
- 3. Ziziphi ezona zixhobo zixhaphakileyo zeBusiness Intelligence (BI) eziqeshwe ngabaHlalutyi boShishino?
- 4. Yintoni indalo yohlalutyo lweshishini?
- 5. Zeziphi izicwangciso zobungcali oya kuzisebenzisa ukuphumeza inkqubo ye-BI?
- 6. Yintoni kanye kanye uphononongo lokwenyani?
- 7. Chaza ugcino lwedatha.
- 8. Yintoni kanye kanye i-OLAP?
- 9. TSHALA-MALI – Yintoni?
- 10. I-Online Transaction Processing (OLTP) - yintoni na?
- 11. Uluhlu lweNyaniso kunye neDimension: yintoni?
- 12. Ziziphi ezinye zeempawu zeNdawo yokuGcina iDatha?
- 13. Yintoni injongo yedatha yesiqhelo?
- 14. Yintoni kanye kanye ii-aggregates?
- 15. Zingaphi iindidi ezahlukeneyo ze-SQL JOIN imisebenzi ekhoyo?
- 16. Chaza itafile yepivot.
- 17. Ngaba uyazi malunga neendlela ezizezinye ezifana ne-MoSCoW kunye ne-SWOT?
- 18. Yeyiphi imisebenzi ye-UML?
- 19. Chaza i-ERP kubukrelekrele beshishini.
- 20. Ngokobukrelekrele boshishino, ungayichaza njani iSCM?
- 21. Ngaba ungayichaza i-SRS kunye nezixhobo zayo eziphambili?
- 22. Chaza iBRD. Yintoni eyayahlula kwi-SRS?
- 23. Cacisa ingqikelelo ye-e-commerce ngokwemigaqo yobuntlola beshishini.
- 24. Yintoni kanye kanye indlela ye-RUP?
- 25. Yintoni kanye kanye indlela yeRAD?
- 26. Uthetha ukuthini kanye kanye xa uthi imfuneko? Ngaba unokuwubona umahluko phakathi kweemfuno kunye neemfuno?
- 27. Chaza ukugrunjwa kwedatha.
- 28. Unokuyichaza njani into efunekayo njengokufezeka okanye okulungileyo?
- 29. Yintoni kanye kanye inkqubo yolwazi yolawulo (EIS)?
- 30. Yintoni i-scope creep, kwaye inokuphetshwa njani?
- 31. I-Dimensional Modeling (DM) - yintoni na?
- 32. Yintoni kanye kanye ukubekwa phambili kweemfuno?
- 33. Uyakholelwa ukuba uvavanyo kufuneka lubandakanye umhlalutyi weshishini?
- 34. Zeziphi iindlela ezininzi zolawulo?
- 35. Chaza uhlalutyo lwePareto.
- 36. Chaza uhlalutyo lukaKano.
- 37. I-Agile Manifesto: Yintoni?
- 38. Uhlalutyo lwesikhewu: Yintoni?
- isiphelo
Ubukrelekrele beshishini libinzana nje lesixhobo esinceda umsebenzisi ekwenzeni izigqibo malunga nendlela yokulawula ishishini okanye imiba ebalulekileyo enxulumene neshishini.
Ulawulo lwawo nawuphi na umbutho wokwandiswa kweshishini lomsebenzisi lwenziwa lula.
Ngoncedo lweengxelo ezifanelekileyo kunye nedatha yawo nawuphi na umbutho, i-BI inceda umsebenzisi ekwenzeni ukhetho olukhokelela ekukhuleni kwifemu yabo, eyona nto ibalulekileyo.
Ke ufuna ukusebenza kubukrelekrele beshishini kwaye unomnqweno okanye ujonge ukwenza njalo, kodwa awuqinisekanga ukuba ungaluphumelela njani udliwanondlebe lweshishini okanye imibuzo ekunokwenzeka ukuba iya kuba yintoni.
Lonke udliwano-ndlebe lodwa, kwaye wonke umsebenzi uneemfuno ezizodwa. Ukukunceda ukuba uphumelele kudliwanondlebe lwakho, senze uluhlu lwemibuzo edla ngokubuzwa kunye neempendulo zayo.
Ungakhawuleza kwaye uphendule ngokulula le mibuzo yodliwano-ndlebe lweshishini.
1. Ubuchaza njani ubukrelekrele boshishino?
Ubukrelekrele boShishino bunokuchazwa njengokudityaniswa koHlaziyo lweDatha kunye neenkqubo zokuqokelela idatha, ukugcinwa, kunye nolawulo.
Ifuna ukuhlalutya kunye nokuguqula idatha ekrwada kunye neenkcukacha zibe zizimvo ezisebenzayo neziluncedo.
Ezi mbono zinempembelelo entle kwiintlobo ezininzi zezigqibo zoshishino zombutho. Ngemigaqo elula, inkcazo yeBusiness Intelligence iya kubhekisela kwi-umbrella equka izixhobo zedatha, ukubonwa kwedatha, ukuchithwa kwedatha, iziseko zophuhliso, uhlalutyo lwedatha, njalo njalo, ukwenzela ukubonelela ngezishwankathelo ezilula neziqondakalayo ezinokunceda imibutho ekwenzeni idatha- izigqibo eziqhutywayo.
2. Yintoni eyahlula umhlalutyi wezoshishino ukusuka kumhlalutyi wedatha?
Uhlalutyo lweDatha:
- Izakhono ezingaphezulu zokusombulula iingxaki kunye nohlalutyo lwedatha ziyafuneka kwisikhundla.
- Kwintlangano, idlala umsebenzi omkhulu wokusebenza.
- Ukuchithwa kwedatha, i-SQL, izibalo, kunye nezinye izakhono ziyafuneka.
Umhlalutyi kwezoshishino:
- Ukuboniswa kwedatha kunye nezakhono zokuthatha izigqibo kufuneka ziphuculwe.
- Kwintlangano, isebenza umsebenzi onobuchule ngakumbi.
- Kwesi sikhundla, kuya kufuneka ube nolwazi kubukrelekrele beshishini, ukugcina idatha, uhlalutyo, njl.
3. Ziziphi ezona zixhobo zixhaphakileyo zeBusiness Intelligence (BI) eziqeshwe ngabaHlalutyi boShishino?
- itheyibhile
- SAS
- IPentaoho
- Izinto zeShishini
- OBIEE
- Qlik Jonga
- Hyperion
- I-BI yeMicrosoft
- Iimpawu
- Dundas BI
- google Analytics
- Isicwangcisi esincinci
4. Yintoni indalo yohlalutyo lweshishini?
Phakathi kwedathabheyisi kunye nojongano lomsebenzisi, kukho uhlobo lomaleko we-semantic obizwa ngokuba yindalo iphela. Ngenene yenye yeeleya zojongano ezidibanisa umxhasi (umsebenzisi weshishini) kunye nendawo yokugcina idatha.
Ichaza ubudlelwane obupheleleyo phakathi kweetafile ezahlukeneyo kwindawo yokugcina idatha.
5. Zeziphi izicwangciso zobungcali oya kuzisebenzisa ukuphumeza inkqubo ye-BI?
Thatha idatha ekrwada kwidathabheyisi yenkampani. Kunokubakho oovimba beenkcukacha ezininzi ezahlukeneyo apho idatha ifikeleleka khona.
Idatha ke ihlanjululwe ukwenzela ukuba ibekwe kwindawo yokugcina idatha ngokujoyina itafile kunye nokudala iityhubhu zedatha.
Into yokugqibela enokwenziwa ngabahlalutyi beshishini kukukhupha ulwazi lweshishini kwiiseti zedatha ezicocekileyo zisebenzisa iinkqubo ze-BI, zicele iingxelo ze-ad-hoc, zivavanye, kunye nokhetho lwamashishini.
6. Yintoni kanye kanye uphononongo lokwenyani?
I-BA kufuneka ifunde kwaye iqonde iimfuno kunye nemiba yeshishini okanye yeprojekthi phambi kokuseka umda womceli mngeni.
Isisombululo esicetyiswayo sengxaki yeshishini (ukuba nokwenzeka kwempumelelo) kumiselwa ngophononongo lokufaneleka. Ixhasa ugxininiso lweprojekthi kunye nokuchongwa kwamathuba amatsha.
7. Chaza ugcino lwedatha.
Ukugcinwa kwedatha kunokuqwalaselwa njengenkqubo esetyenziswa njengendawo yokugcina, ukulungelelanisa, kunye nokunika ingxelo ngedatha evela kwimithombo emininzi eyahlukeneyo.
Ezi datha zinokufunyanwa ngokusisiseko kwi-SQL Server, kwi-Excel sheets, kwi-Oracle databases, okanye kwi-Postgres databases. Abahlalutyi bamashishini banokufumana zonke iingxelo zangaphambili eziphathelele loo datha ngokusebenzisa indlela yokugcina, esetyenziswa yi-Data Warehouse.
8. Yintoni kanye kanye i-OLAP?
I-Online Analytical Processing, okanye i-OLAP, ligama lobugcisa elisetyenziselwa ukuchaza iteknoloji esetyenziswa kwizixhobo ezininzi ze-BI kunye nokusetyenziswa. Oku kunceda ukugqitywa kobalo lohlalutyo olunzima.
Ukongeza, ihlalutya iintsingiselo, igqibezela ukubala okuntsokothileyo (ushwankathelo, ukubala, umyinge, umzuzu, ubuninzi), kwaye isebenzise imodeli yedatha ephezulu kwinkqubo ye-BI. Ukongeza, eyona njongo iphambili kukukhawulezisa ukubalwa kweengxelo kunye nokunciphisa ixesha elithathayo ukuba imibuzo iphendulwe.
9. TSHALA-MALI – Yintoni?
Ukuzimela, ukuThengiswana, ukuXatyiswa, ukuqikelela, ubungakanani obufanelekileyo, kunye noVavanyo kubhekiswa kuyo NJENGOMTHETHO. Abaphathi beprojekthi kunye nabahlalutyi beshishini bobabini basebenzisa eli binzana ukubhekisa ekunikezelweni kweenkonzo ezikumgangatho ophezulu kunye neempahla.
10. I-Online Transaction Processing (OLTP) - yintoni na?
Unokucinga ngeenkqubo ze-OLTP njengendibaniso enkulu yokufaka, ukususa, kunye nokuhlaziya utshintshiselwano lwedatha oluncinci. Ezi nkcukacha zolwazi ziyasebenza kwaye zinokusingatha umbuzo ngokukhawuleza.
Ukuhambelana kunye nokuthembeka kwedatha kwakhona phantsi kolawulo lwayo. Ikwasebenza njengendlela yokulinganisa ukuba isebenza kangakanani na inkqubo ye-OLTP ngenani lentengiselwano eyiqhubayo umzuzwana ngamnye.
11. Uluhlu lweNyaniso kunye neDimension: yintoni?
Itheyibhile yenyani ekugcinweni kwedatha yenziwe ngamaxabiso amanani kunye nezitshixo zedimension yenkqubo yeshishini. Idatha yobungakanani obusetyenzisiweyo kuhlalutyo inikezelwe kwitheyibhile yenyani.
Ngokuchaseneyo neetheyibhile zenyaniso, eziziitheyibhile zesichazi-magama sobungakanani, iitheyibhile zedimensioni ziquka iinkcukacha ngeendlela ezahlukeneyo ulwazi olukwitheyibhile yenyaniso enokuhlolwa.
12. Ziziphi ezinye zeempawu zeNdawo yokuGcina iDatha?
- Abenzi bezigqibo basebenzisa idatha esetyenzisiweyo kunye nehlalutyiweyo evela kwindawo yokugcina idatha ukwenza izigwebo zobuchule kunye neqhinga.
- Liziko ledatha elahlukileyo eligcinwe lingaphandle kwesiseko sedatha esisebenzayo kwaye lijongene nomsebenzi wokugcina iirekhodi zolwazi.
- Abahlalutyi beenkampani banokujonga iindlela zangoku zoshishino ngokuhlalutya idatha egcinwe kwindawo yokugcina impahla.
- Ukongeza, ijongene nokuqulunqa uhlalutyo lwedatha yembali.
13. Yintoni injongo yedatha yesiqhelo?
Ukulungiswa kwedatha bubuchule bokucwangcisa kunye nokumisa idatha ukuze zonke iirekhodi kunye neenkalo zibe nenkangeleko efanayo. Ukulungiswa kwedatha kuneenzuzo ezininzi.
Inkqubo, ngokomzekelo, inceda ekugcineni imfezeko yereferensi kunye nokususwa kwedatha ephindwe kabini. Ukongeza, ngenxa yokuba sele beqhelene nendlela ishishini elicwangcisa ngayo idatha yalo, abahlalutyi banokukhangela ngokukhawuleza kwiiseti ezahlukeneyo zedatha.
14. Yintoni kanye kanye ii-aggregates?
Kuyenzeka ukucinga ngeeaggregates njengodidi lwedatha enokufumaneka kwi-aggregate table. Imisebenzi eyahlukeneyo edibeneyo isetyenziswa ekubaleni kwezi ntlanganisela.
Ezi ziquka awona maxabiso aphezulu kunye naphantsi kunye ne-avareji yokubala kunye namanye amaxabiso.
15. Zingaphi iindidi ezahlukeneyo ze-SQL JOIN imisebenzi ekhoyo?
Ukudibanisa kweSQL kuhlala kungumxholo wengxoxo. I-INNER JOIN, RIGHT JOIN, LEFT JOIN, kunye ne-OUTER JOIN zezinye zezona zinto zibalulekileyo onokuzichaza.
16. Chaza itafile yepivot.
Enye yeendlela ezidumileyo zokusetyenzwa kwedatha yitafile yepivot. Izixa ezikhulu zedatha zihlanganiswe kwitafile ene-dimensional ezimbini kusetyenziswa le ndlela.
Ukukwazi ukutshintsha ngokukhawuleza indlela idatha eboniswa ngayo yenye yezona zinto ziluncedo kwiitafile zepivot, ezinokukhawulezisa inkqubo apho abahlalutyi bengqondo yeshishini banokukhupha ulwazi olunentsingiselo kwiiseti zedatha ezinkulu.
17. Ngaba uyazi malunga neendlela ezizezinye ezifana ne-MoSCoW kunye ne-SWOT?
I-MoSCoW sisishunqulelo esithetha ukuthi “Kufuneka, kunyanzelekile, kunokwenziwa, kuya kufuneka.” Ukuze kubekwe phambili iimfuno zesikhokelo, umhlalutyi weshishini kufuneka asebenzise esi sicwangciso ngokuthelekisa imfuno nganye kunye nezinye iimfuno.
Umzekelo, ngaba le khrayitheriya kufuneka ube nayo okanye kufuneka ube nayo?
Eyona ndlela idumileyo yokwabiwa kwezibonelelo ngokufanelekileyo kumashishini luhlalutyo lwe-SWOT, olumele Amandla, Ubuthathaka, Amathuba, kunye Nezoyikiso.
Nawaphi na amandla kunye nobuthathaka benkqubo yoshishino kufuneka ukuba zichongwe ngumhlalutyi weshishini, onokuthi ke aguqule ezo zinto zifunyanisiweyo zibe ngamathuba kunye nezoyikiso.
18. Yeyiphi imisebenzi ye-UML?
Ulwimi oludityanisiweyo lweModeli, oludla ngokubizwa ngokuba yi-UML, lubonelela ngendlela efanayo ekucingeni inkqubo kwaye luyinjongo ngokubanzi, ulwimi oluphuhlisayo oluyimodeli.
Ukuchonga kunye nokuphelisa iimpazamo kunye neebhotile, isetyenziselwa ukuthethelela indlela eziphatha ngayo inkqubo.
19. Chaza i-ERP kubukrelekrele beshishini.
I-Enterprise Resource Planning, okanye iERP, ligama elisemthethweni. Kwinkalo yobuntlola kwezoshishino, oku kubalulekile. Isetyenziselwa ukudibanisa idatha kunye neenkqubo zombutho zibe yinkqubo enye, ukubeka enye indlela.
Indibaniselwano yehardware, isoftware, kunye nogcino-lwazi kunokubonwa njengendlela yokugcina idatha ngeendlela ezininzi ngokuhambelana nezahlulo zombutho kunye neemfuno.
20. Ngokobukrelekrele boshishino, ungayichaza njani iSCM?
Kwimarike enokhuphiswano oluqatha, amashishini athengisayo sele ejongene nobunzima bokunyuka kwemfuno yemveliso kunye nokonyuka kwamaxabiso okunyiniweyo. Ngenxa yoku, uLawulo loTshintsho lweNtengo (SCM), olungaphelelanga kwiifemu ezivelisayo, lungundoqo kuyo nayiphi na impumelelo yenkampani yokuvelisa.
Imisebenzi yoshishino kunye nezicwangciso zichazwa kusetyenziswa iSCM. Nangona kunjalo, ukusebenza kunye neefemu ze-SCM zokuvelisa kubanceda ukuba benze amabhondi aqinileyo kunye nabathengi babo, okubenza bakwazi ukubonelela ngexesha, ukuhanjiswa kwekhwalithi ephezulu ngeendleko ezifanelekileyo.
Ukongeza, ixhasa ukuhambelana kokusebenza.
21. Ngaba ungayichaza i-SRS kunye nezixhobo zayo eziphambili?
Iimfuno zenkqubo okanye zesoftware zibizwa ngokuba yi-SRS. Yingqokelela yamaxwebhu achaza iimpawu zesiqwenga sesoftware okanye inkqubo.
Iqulethe amacandelo ahlukeneyo abathengi kunye nabachaphazelekayo abadingayo ukwenzela ukukholisa abasebenzisi bokugqibela.
Awona malungu aphambili e-SRS ngala:
- Ubume bomsebenzi
- Ukuxhomekeka
- Iintelekelelo kunye nemiqobo
- Criteria Acceptance
- Imodeli yedatha
- Iimfuno ezingasebenziyo nezingasebenziyo
22. Chaza iBRD. Yintoni eyayahlula kwi-SRS?
Uxwebhu lweMfuneko yoShishino lubizwa ngokuba yi-BRD. Sisivumelwano esisemthethweni phakathi kwenkampani kunye nomxhasi wokwenziwa kwemveliso ethile.
I-SRS yinzala ye-BRD.
I-BRD luphawu olusebenzayo lwesoftware, kodwa i-SRS yinto ebhalwa zii-BA zombini emva kokuba noqhagamshelwano oluthe ngqo nomxhasi.
Ngokwahlukileyo kwi-SRS, eveliswa ngokusekelwe kwizakhono zobugcisa kunye neemfuno, i-BRD iphuhliswa ngumhlalutyi wezoshishino emva kokunxibelelana kwabo ngokuthe ngqo nabaxhasi.
23. Cacisa ingqikelelo ye-e-commerce ngokwemigaqo yobuntlola beshishini.
Igama elithi “e-commerce” libhekisela kumsebenzi wokuthenga nokuthengisa kwakhona iimpahla neenkonzo kusetyenziswa amajelo e-elektroniki, afana ne-Intanethi. Inhlanganisela yenkqubo yokuthengiselana nge-intanethi, inkqubo yolawulo lokubonelela, inkqubo yolawulo lwempahla, inkqubo ye-EDI, inkqubo yebhanki ye-intanethi, kunye neenkqubo zokuqokelela idatha zenza inkqubo ye-e-commerce. IWebhu yeHlabathi eBanzi isebenza njengejelo le-e-commerce eliphambili (www). Ubukrelekrele boShishino obusetyenziswa kwiiwebhusayithi ze-e-commerce, nangona kunjalo, bunceda ekunyuseni ukuthengisa. Oku kunokunika lonke ulwazi malunga nokufumaneka kwemveliso kwindawo enye, i-interface yomsebenzisi-friendly, indlela yokuhlawula eguquguqukayo, iinkqubo ezikhangayo zabathengisi, njl.
24. Yintoni kanye kanye indlela ye-RUP?
Isicwangciso sokuphucula ukusetyenziswa kwemveliso ebizwa ngokuba yiRational Unified Process (RUP) inezixhobo ezininzi zokuncedisa ekubhaleni imveliso yamva nje kunye nezabelo ezikhethiweyo ngale njongo engqondweni.
I-RUP yindlela ejoliswe kwinto eqinisekisa ulawulo lweprojekthi olusebenzayo kunye nokudalwa kwesoftware ephezulu.
25. Yintoni kanye kanye indlela yeRAD?
Iparadigm yoPhuhliso lweSicelo esiKhawulezayo (RAD) ngumzekelo wemodeli eyongezelelekileyo. Izigaba ezahlukeneyo zeeprojekthi ziphuhliswa ngokuzimeleyo ngaxeshanye.
Inkqubela phambili yeprojekthi ifakwe kwibhokisi yexesha, ihanjiswe, kwaye emva koko ihlanganiswe ukwenza imodeli esebenzayo.
26. Uthetha ukuthini kanye kanye xa uthi imfuneko? Ngaba unokuwubona umahluko phakathi kweemfuno kunye neemfuno?
Isicwangciso esigxininisiweyo kunye nokumelwa kuyafuneka ukuze kuphunyezwe iinjongo ezithile zenkampani. Abachaphazelekayo bayayivavanya iprojekthi phambi kokuba isetyenziswe besebenzisa imigangatho echaziweyo kunye neemfuno.
Icandelo ngalinye libhalwe ngokupheleleyo ukuze lisetyenziswe njengesalathiso. Umzekelo opheleleyo wamagama kunye nesiphumo siyafuneka.
Umzekelo, kufuneka ufumane umsebenzi njengomhlalutyi weshishini. Udinga i-resume, iziqinisekiso zemfundo, kunye namava odliwano-ndlebe ukuze ufake isicelo sesi sikhundla.
27. Chaza ukugrunjwa kwedatha.
I-data drilling yindlela yokucubungula idatha kunye nokukhupha ulwazi olufunekayo kwisiseko sedatha (okanye indawo yokugcina idatha) ngokusebenzisa imisebenzi eyahlukeneyo yobudlelwane, i-tabular, okanye i-multidimensional data.
28. Unokuyichaza njani into efunekayo njengokufezeka okanye okulungileyo?
Xa imfuneko izanelisa zontathu iikhrayitheriya zeSMART—Ecacileyo, inokumetwa, inokufikeleleka, ifanelekile, yaye ifike ngexesha—igqalwa njengefanelekileyo.
Ukuchaneka kufuneka kusetyenziswe kwinkcazo yemeko, kwaye zonke iikhrayitheriya zokuphumelela kufuneka zilinganiswe. Zonke izibonelelo ezifunekayo kwiprojekthi kufuneka zibekhona kwaye zifanelekile. Ukubhengezwa kwangethuba kwayo yonke imimiselo nemiqathango iyafuneka.
29. Yintoni kanye kanye inkqubo yolwazi yolawulo (EIS)?
Isixhobo sokunika iingxelo ezidityanisiweyo nezishwankathelweyo malunga nemisebenzi yangoku yoshishino ngaphakathi kwinkampani inokucingwa njengenkqubo yolwazi olulawulayo (EIS).
Ukongeza, i-EIS inikezela ngolwazi kujongano lwegraphical kwaye yenzelwe ukomeleza umgangatho wamaqhinga asetyenziswa ngabalawuli abakwinqanaba eliphezulu ukukhawulezisa ukukhula kombutho.
Ikwabandakanya iindlela ezininzi zokufumana, ukusetyenzwa, ukuguqula, kunye nokubonisa idatha njengeengxelo zegraphical.
30. Yintoni i-scope creep, kwaye inokuphetshwa njani?
Xa umda weprojekthi utyhutyha ngokuthe ngcembe ngaphaya kwemida ebicetyiwe, inokuba yingxaki, imeko eyaziwa ngokuba yi-scope creep.
Oku kunokwenzeka ngenxa yezinto ezininzi, ezinje ngohlengahlengiso kwiikhrayitheriya okanye iinjongo zeprojekthi, okanye kunokuthi kwenzeke ngenxa yokungalungiseki ngokwaneleyo.
Nangona kunokuba lucelomngeni, ukunqanda ukutyhutyha komda kubalulekile ekugcineni iprojekthi ikwishedyuli
. Enye indlela yokwenza oku kukuqinisekisa ukuba umda weprojekthi uchazwa ngokucacileyo nangokucacileyo kwasekuqaleni kwaye bonke abachaphazelekayo bayavumelana nale nkcazo.
Ukuze kuqinisekiswe ukuba naluphi na uhlengahlengiso kuluhlu luvavanyiwe ngokucokisekileyo kwaye kwavunyelwana ngalo ngabo bonke abachaphazelekayo abachaphazelekayo, kukwabalulekile ukuba kubekho inkqubo yolawulo yotshintsho echazwe kakuhle.
Okokugqibela, ukugcina unxibelelwano oluqhubekayo nawo onke amaqela abandakanyekayo kunokuncedisa ekuqinisekiseni ukuba wonke umntu uyayazi imiqobo kunye neenjongo zeprojekthi.
31. I-Dimensional Modeling (DM) - yintoni na?
I-DM iqeshelwe ukuququzelela imibuzo yabasebenzisi bokugqibela kunye nokudala indawo yokugcina idatha. I-DM isebenzisa iikhonsepthi ezimbini eziphambili: eyokuqala “YINYANISO,” kwaye eyesibini “yimilinganiselo.”
Le ngxelo ikwabandakanya imilinganiselo, edla ngokumelwa ngamanani. Kwaye ngokuthi "imilinganiselo" sithetha uluhlu lwamagama asetyenziswa ukuchaza izibakala.
Inyathelo ngalinye lenkqubo yokulinganisa imodeli livelisa ulwazi oluthile, olungasetyenziselwa ukukhomba ngokuchanekileyo oko kufakwe kwindawo yokugcina idatha.
32. Yintoni kanye kanye ukubekwa phambili kweemfuno?
Inyathelo elibalulekileyo kwinkqubo yokuqokelela iimfuno kukubeka phambili iimfuno. Iqinisekisa ukuba izibonelelo zisetyenziswa ngokufanelekileyo ngokumisela izinto eziphambili ngokubaluleka kwezona mfuno zicinezelayo.
Ukubeka phambili iimfuno ngolandelelwano oluthile, iindlela ezahlukeneyo zobuchule zingasetyenziswa, kubandakanywa uhlalutyo lwabachaphazelekayo, uhlalutyo lweendleko-inzuzo, kunye nokubaluleka okusekelwe kwixabiso.
33. Uyakholelwa ukuba uvavanyo kufuneka lubandakanye umhlalutyi weshishini?
Inqanaba lokubandakanyeka kwabahlalutyi beshishini ekuvavanyeni liya kwahluka ngokuxhomekeke kwiprojekthi ethile nakwinkampani, ngoko ke akukho nenye, impendulo esebenzayo kulo mbuzo.
Nangona kunjalo, ngokubanzi, abahlalutyi beshishini kufuneka bathathe inxaxheba kuvavanyo kuba banokunika uhlalutyo olunengqiqo lweemfuno kunye nokuqinisekisa ukuba imveliso egqityiweyo iyanelisa iimfuno zenkampani.
34. Zeziphi iindlela ezininzi zolawulo?
Kukho iindidi ezimbini ezahlukeneyo zoluhlu lwemigangatho:
- I-hierarchy ehlala ikhona: Ulandelelwano apho izinto ze-dimension zinikezelwa eklasini zibonakaliswa kumxholo wayo.
- Uluhlu olulungiselelweyo: Ukusuka kuluhlu olumiselweyo, ulawulo lwesiko luyaveliswa.
35. Chaza uhlalutyo lwePareto.
Xa kukho izinto ezininzi ezinegalelo kumbandela okanye kwinjongo ethile, uhlalutyo lwePareto lunokusetyenziswa.
Iluncedo ngakumbi kwiimeko zolawulo lweshishini kunye nomgangatho, apho inokuncedisa ekuchongeni iindawo eziphambili ekufuneka kugxilwe kuzo ukuze kuphunyezwe uphuculo olukhulu.
Kuyimfuneko ukuba kuqala uchonge onke amacandelo afanelekileyo kwaye emva koko uwabeke ngokwemigqaliselo yokufaneleka ngaphambi kokwenza uhlalutyo lwePareto.
Emva koko owona mba ubalulekileyo uyasingathwa, kulandele owona mba ubalulekileyo, njalo njalo.
36. Chaza uhlalutyo lukaKano.
Indlela yokulawula umgangatho ebizwa ngokuba yi-kano analysis inceda iinkampani ekumiseleni iimfuno kunye neemfuno zabaxhasi bazo. Ingasetyenziselwa ukomeleza amaqhinga okuthengisa, ulonwabo lwabathengi, kunye nophuhliso lwemveliso.
37. I-Agile Manifesto: Yintoni?
I-Agile Manifesto yingqokelela yemigaqo yophuhliso lwesoftware ebeka phambili abantu kwiinkqubo kunye nezixhobo, ukuthatha inxaxheba kwabathengi malunga neengxoxo zekhontrakthi, kunye nokulungelelanisa ukutshintsha endaweni yokunamathela kwishedyuli.
38. Uhlalutyo lwesikhewu: Yintoni?
Indlela eqhelekileyo kuhlalutyo lweshishini kukuhlalutya kwe-gap, esetyenziselwa ukuchonga nokuvavanya izithuba phakathi kwenkqubo ekujoliswe kuyo kunye nokusebenza kwenkqubo yangoku.
Isenokubonwa njengothelekiso lwamanqanaba okwenziwa komsebenzi ekujoliswe kuwo nemisebenzi ekhoyo ngoku.
isiphelo
Ungaphumelela kudliwano-ndlebe lomsebenzi kubahlalutyi beshishini ngokusebenzisa yonke le mibuzo ibalulekileyo yodliwano-ndlebe lweBusiness Intelligence kunye neempendulo. Ukuba uyaziqhelanisa neempendulo kule mibuzo ikhankanywe ngasentla, akufanele ube nayo nayiphi na ingxaki yokupasa udliwano-ndlebe.
Inyathelo elilandelayo kukuthatha inyathelo ngokuhambelana neenjongo zakho. Ukulungiselela udliwano-ndlebe, khangela Uthotho lodliwano-ndlebe lweHashdork.
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