Cov txheej txheem:
Video: Dab tsi yog qhov sib txawv ntawm cov qauv siv nyob rau hauv cov ntaub ntawv ntawm cov khoom oriented qauv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Lub ntsiab hom qauv uas yog siv hauv ib khoom - taw qhia system yog: siv cov qauv , Structure (Static) khoom qauv , Kev coj cwj pwm (dynamic) khoom qauv.
Ntxiv mus, dab tsi yog qhov sib txawv ntawm cov qauv siv nyob rau hauv rooj plaub ntawm Object Oriented Modeling piav qhia luv luv?
Muaj 3 hom qauv hauv object oriented qauv thiab tsim yog: Chav kawm Qauv , Xeev Qauv , thiab kev sib tham Qauv . Cov no yog piav qhia raws li hauv qab no. Chav kawm Qauv : Chav kawm qauv qhia tag nrho tus chav kawm tam sim no nyob rau hauv lub system.
Ib yam li ntawd, yam khoom raws li Modelling yog dab tsi? Ib khoom cov ntaub ntawv qauv yog data qauv raws li ntawm khoom - taw qhia programming, associating method (cov txheej txheem) nrog khoom uas tuaj yeem tau txais txiaj ntsig los ntawm chav kawm hierarchies. Ib khoom - taw qhia cov ntaub ntawv qauv yog ib qho uas nthuav tawm qhov chaw ntawm tus kheej mus rau hauv lub ntiaj teb ntawm kev pheej hmoo khoom tswj thiab shareability.
Tsis tas li ntawd, cov txheej txheem ua qauv yog dab tsi?
Cov txheej txheem kev lag luam ua qauv nrog cov qauv
- Kev ua lag luam tus qauv qauv sau ntawv (BPMN)
- UML daim duab.
- Flowchart txheej txheem.
- Cov ntaub ntawv flow diagrams.
- Daim duab qhia txog lub luag haujlwm.
- Daim duab qhia kev sib cuam tshuam.
- Gantt kab kos.
- Integrated txhais rau kev ua qauv qauv.
Tus qauv hauv cov khoom taw qhia Modeling & Tsim yog dab tsi?
Yam khoom - oriented qauv (OOM) yog kev tsim kho ntawm khoom siv ib phau ntawm khoom uas muaj cov nqi khaws cia ntawm cov piv txwv piv txwv pom nyob rau hauv ib qho khoom . Yam khoom - oriented qauv tso cai rau khoom kev txheeb xyuas thiab kev sib txuas lus thaum txhawb cov ntaub ntawv abstraction, qub txeeg qub teg thiab encapsulation.
Pom zoo:
Dab tsi yog qhov txawv ntawm cov khoom taw qhia cov qauv database thiab cov qauv kev sib raug zoo?
Qhov sib txawv ntawm kev sib raug zoo database thiab cov khoom taw qhia cov ntaub ntawv yog tias cov ntaub ntawv sib txheeb cov ntaub ntawv khaws cov ntaub ntawv nyob rau hauv daim ntawv ntawm cov ntxhuav uas muaj kab thiab kab. Hauv cov khoom taw qhia cov ntaub ntawv cov ntaub ntawv khaws cia nrog rau nws cov haujlwm uas ua los yog nyeem cov ntaub ntawv uas twb muaj lawm. Cov no yog qhov sib txawv hauv paus
Dab tsi yog qhov txawv ntawm cov ntaub ntawv davhlau ya nyob twg cov cuab yeej DTE thiab cov khoom siv sib txuas lus DCE)?
DTE (Data terminating equipment) thiab DCE (Data circuit terminating equipment) yog hom kev sib txuas lus serial. DTE yog ib qho khoom siv uas tuaj yeem ua tau raws li binary digital cov ntaub ntawv los yog qhov chaw. Thaum DCE suav nrog cov khoom siv uas xa lossis tau txais cov ntaub ntawv hauv daim ntawv digital lossis analog teeb liab hauv lub network
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv sib sau ua ke thiab cov ntaub ntawv tsis sib xws?
Kev sib sau cov ntaub ntawv yog sau thiab sau cov ntaub ntawv; kom disaggregate cov ntaub ntawv yog rhuav tshem cov ntaub ntawv sib sau ua ke rau hauv cov khoom siv lossis cov ntaub ntawv me me
Puas txhais tau tias yog kev sib raug zoo ntawm cov khoom ntawm ib yam khoom thiab lub peev xwm ntawm tus neeg sawv cev uas muab cov lus qhia rau kev siv cov khoom?
Kev them nyiaj yog kev sib raug zoo ntawm cov khoom ntawm ib yam khoom thiab lub peev xwm ntawm tus neeg sawv cev uas txiav txim siab seb qhov khoom siv tau li cas
Dab tsi yog qhov sib txawv ntawm cov ntaub ntawv hauv cov ntaub ntawv mining?
Cia peb tham txog yam ntaub ntawv twg tuaj yeem raug mined: Cov ntaub ntawv tiaj tus. Relational Databases. DataWarehouse. Transactional Databases. Multimedia Databases. Spatial Databases. Lub Sijhawm Series Databases. World Wide Web (WWW)