Cov txheej txheem:
Video: Qhov System Modernization yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Los ntawm Wikipedia, phau ntawv dawb encyclopedia. Txojsia Modernization , tseem hu ua software Modernization los yog platform Modernization , yog hais txog kev hloov dua siab tshiab, rov sau dua lossis hloov pauv ntawm ib qho qub txeeg qub teg qhov system mus rau niaj hnub computer programming lus, software qiv, raws tu qauv, los yog hardware platform.
Ib yam li ntawd, ib tug yuav nug, nws txhais li cas Modernization?
Qhov IT Modernization txhais yuav yeej txawv ntawm cov lag luam, kev lag luam, thiab cov neeg, tab sis nws kawg txhais tau tias leveraging thev naus laus zis kom tau raws li cov hom phiaj kev lag luam nthuav dav. Nws txhais tau tias aligning IT thiab kev lag luam units los sib tw hauv kev lag luam digital niaj hnub no.
Kuj Paub, koj ua li cas hloov kho daim ntawv thov? 5 txoj hauv kev los kho koj cov ntawv qub qub
- Modernization qhov teeb meem. Ntau lub koom haum IT thiab DevOps pab pawg tau pib ua daim ntawv thov kev ua haujlwm tshiab.
- Txiav lub monolith.
- Unshackle apps los ntawm infrastructure.
- Tsim cov ntsiab lus los txo cov nqi.
- Tsim kev ruaj ntseg rau hauv daim ntawv thov.
- Ua ke nruj nrog DevOps.
- Modular sib npaug modernized.
Nyob rau hauv no hais txog, koj yuav ua li cas modernize ib tug legacy system?
Kev siv nyiaj kom zoo yuav xav kom cov thawj coj ua tib zoo xaiv ib qho ntawm xya txoj kev hloov kho tshiab
- Encapsulate.
- Rehost.
- Replatform.
- Reactor.
- Rearchitect.
- Rov tsim dua.
- Hloov.
Koj txhais li cas los ntawm legacy system?
Hauv kev suav, a txoj cai qub yog ib txoj kev qub, technology, computer qhov system , los yog daim ntawv thov kev pab cuam, "ntawm, hais txog, los yog ua ib tug yav dhau los los yog outdated computer qhov system , " tseem tseem siv tau. Feem ntau referencing a qhov system raws li " keeb kwm " txhais tau hais tias nws tau ua txoj hauv kev rau cov qauv uas yuav ua raws li nws.
Pom zoo:
Dab tsi yog qhov dav thawj qhov kev tshawb nrhiav thiab qhov tob thawj qhov kev tshawb fawb?
BFS sawv rau Breadth First Search. DFS sawv cev rau Kev Tshawb Nrhiav Qhov tob. 2. BFS (Breadth First Search) siv Queue cov qauv ntaub ntawv los nrhiav txoj hauv kev luv tshaj. BFS tuaj yeem siv los nrhiav ib qhov chaw luv tshaj plaws hauv cov duab tsis hnyav, vim tias hauv BFS, peb mus txog qhov kawg uas muaj qhov tsawg kawg nkaus ntawm cov npoo los ntawm qhov chaw vertex
Dab tsi yog sparse kem Dab tsi yog qhov zoo thiab qhov tsis zoo?
Koj poob 4 bytes tsis yog ib zaug ib kab; tab sis rau txhua lub cell hauv kab uas tsis yog null. Qhov zoo ntawm SPARSE kem yog: Qhov tsis zoo ntawm SPARSE kem yog: SPARSE kem tsis tuaj yeem siv rau ntawm cov ntawv, ntext, duab, timestamp, geometry, geography lossis cov neeg siv cov ntaub ntawv teev tseg
Dab tsi yog qhov qub txeeg qub teg Dab tsi yog qhov sib txawv ntawm qhov qub txeeg qub teg piav nrog piv txwv?
Inheritance yog ib txoj hauv kev kom tau txais cov yam ntxwv thiab kev coj cwj pwm ntawm ib chav kawm los ntawm lwm chav kawm. Cov chav kawm uas cov tswv cuab tau txais qub txeeg qub teg yog hu ua chav kawm hauv paus, thiab chav kawm uas tau txais cov tswv cuab tam sim no hu ua chav derived. Inheritance siv IS-A kev sib raug zoo
Dab tsi yog qhov zoo sib xws thiab qhov txawv ntawm relays thiab PLC yog dab tsi?
Relays yog electro-mechanical keyboards uas muaj coil thiab ob hom kev sib cuag uas tsis yog NO & NC. Tab sis Programmable Logic Controller, PLC yog lub khoos phis tawj me uas tuaj yeem txiav txim siab raws li qhov kev zov me nyuam thiab nws cov tswv yim & tso tawm
Dab tsi yog qhov sib txawv ntawm qhov ntsuas qhov ntsuas thiab qhov ntsuas thib ob?
Primary index: nyob rau hauv ib tug sequentially order file, qhov Performance index uas nws search key qhia cov sequential order ntawm cov ntaub ntawv. Kuj hu ua clustering index. Secondary index: ib qho Performance index uas nws qhov tseem ceeb tshawb nrhiav qhia qhov kev txiav txim sib txawv ntawm qhov kev txiav txim ntawm cov ntaub ntawv. Kuj hu ua non-clustering index