Cov txheej txheem:
Video: Dab tsi databases peb siv hauv lub neej niaj hnub?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Qhov zoo tshaj plaws-paub RDBMS siv SQL los tsim thiab nug databases yog IBM DB2, Oracle, Microsoft Access thiab MySQL. Piv txwv ntawm SQL-based databases pej xeem siv txhua hnub suav nrog cov tuam txhab nyiaj hauv tuam txhab, cov ntaub ntawv kho mob hauv computer, thiab kev yuav khoom hauv online rau npe tsuas yog qee qhov.
Ib yam li ntawd, databases siv li cas hauv lub ntiaj teb tiag?
Koj lub khw muag khoom noj, txhab nyiaj, khw muag khoom video thiab khw muag khaub ncaws nyiam siv txhua yam databases txhawm rau taug qab cov neeg siv khoom, cov khoom muag, cov neeg ua haujlwm thiab cov ntaub ntawv nyiaj txiag. Cov ntaub ntawv tso cai rau cov ntaub ntawv khaws cia sai thiab yooj yim thiab yog siv nyob rau hauv ntau yam ntawm koj txhua hnub lub neej.
Ib yam li ntawd, 3 database piv txwv yog dab tsi? Lawv suav nrog databases xws li SQL Server, Oracle Database, Sybase, Informix, thiab MySQL.
Cov lus nug tseem yog, dab tsi yog databases thiab lawv siv rau dab tsi?
A database yog ib phau ntawv uas yog koom tau li ntawd nws tuaj yeem nkag tau yooj yim, tswj, thiab hloov kho. Qee zaum hu ua database Management systems (DBMS), database cov cuab yeej software feem ntau yog siv rau khaws cia, hloov kho, rho tawm, thiab tshawb nrhiav cov ntaub ntawv hauv ib database.
Cov tuam txhab lag luam siv dab tsi?
Nov yog saib ntawm 10 ntawm cov txheej txheem zoo tshaj plaws muaj rau cov kws tshaj lij kev lag luam:
- Oracle. Tsis muaj surprise ntawm no.
- Microsoft SQL Server. Hlub nws lossis ntxub nws, Microsoft's DBMS yog ib qho nrov tshaj plaws hauv ntiaj teb.
- MySQL.
- PostgreSQL.
- Microsoft Access.
- Teradata.
- IB DB2.
- Informix.
Pom zoo:
Dab tsi yog cov txiaj ntsig ntawm kev siv thev naus laus zis hauv lub neej niaj hnub no?
Yog li tsis muaj ntau ado, ntawm no yog cov npe ntawm 10 qhov txiaj ntsig ntawm cov ntaub ntawv thev naus laus zis. Tej thaj chaw deb nkag tau: Advertisement. Tsim cov hauj lwm tshiab: Xov Xwm Technology thiab kev kawm: Cov ntaub ntawv thev naus laus zis thiab kev noj qab haus huv: Kev nce qib ntawm kev lag luam: Kev sib txuas lus xov xwm: 4. Kev Lom Zem: Kev sib txuas lus zoo:
Lub neej niaj hnub no tsis muaj computer li cas?
Lub neej niaj hnub no kuj yuav txawv yam tsis muaj computers vim tias yuav muaj ib qho kev sib txuas lus tsawg dua. Peb siv computers xa e-mails thiab sib txuas lus nrog phooj ywg thiab tsev neeg. Yog tias peb tsis muaj computers ces e-mails thiab chav sib tham hauv online thiab tes hauj lwm yuav tsis muaj
Dab tsi yog periscope siv rau niaj hnub no?
Ib lub periscope cia koj pom cov khoom saum toj kawg nkaus, xws li laj kab lossis phab ntsa uas koj tsis siab txaus saib. Koj tuaj yeem siv nws los saib ib ncig ntawm cov ces kaum. Periscopes tseem siv niaj hnub no hauv cov tso tsheb hlau luam thiab qee qhov submarines. Ib qho yooj yim periscope tsuas yog ib lub raj ntev nrog daim iav ntawm txhua qhov kawg
Dab tsi yog qhov feem ntau encryption algorithms siv niaj hnub no?
3DES, AES thiab RSA yog cov algorithms uas feem ntau siv niaj hnub no, txawm tias lwm tus, xws li Twofish, RC4 thiab ECDSA kuj tau siv rau qee qhov xwm txheej
Lub luag haujlwm dab tsi tuaj yeem ua haujlwm hauv peb lub neej yav tom ntej?
Cov neeg hlau tau txais tus kheej ntau dua, sib tham sib, thiab koom nrog ntau dua li qhov qub. Nrog kev loj hlob ntawm kev lag luam no, kev muaj tiag virtual yuav nkag mus rau peb lub tsev nyob rau yav tom ntej. Peb yuav tuaj yeem cuam tshuam nrog peb cov kev lom zem hauv tsev los ntawm kev sib tham, thiab lawv yuav teb rau peb cov kev sim sib txuas lus