Qhov twg hauv qab no yog suav tias yog kev tswj hwm kev ua haujlwm ntawm kev tswj hwm database DBMS)?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Cov ntaub ntawv uas nqa lawv cov ntaub ntawv nyob rau hauv daim ntawv ntawm cov ntxhuav thiab uas sawv cev rau kev sib raug zoo siv txawv teb chaws yuam sij yog hu ua discrete databases . Cov kev ua haujlwm ntawm a database tswj system ( DBMS ) suav nrog kev thaub qab database cov ntaub ntawv.

Kuj nug, leej twg ntawm cov hauv qab no yog kev ua haujlwm ntawm kev tswj hwm database?

Lub kaum muaj nuj nqi hauv DBMS yog: data Dictionary kev tswj hwm , cov ntaub ntawv khaws cia kev tswj hwm , cov ntaub ntawv hloov pauv thiab kev nthuav qhia, kev ruaj ntseg kev tswj hwm , multiuser nkag tswj, thaub qab thiab rov qab kev tswj hwm , data integrity kev tswj hwm , database nkag mus rau cov lus thiab daim ntawv thov programming interfaces, database kev sib txuas lus

Tsis tas li ntawd, lub hom phiaj ntawm lub database yog dab tsi? Cov lub hom phiaj ntawm ib tug database yog los pab koj lub lag luam nyob hauv lub koom haum thiab khaws cov ntaub ntawv yooj yim, kom koj siv tau. Tab sis nws tsis yog ib qho kev daws teeb meem rau tag nrho koj cov ntaub ntawv kev txhawj xeeb. Ua ntej, koj yuav tsum sau thiab nkag cov ntaub ntawv rau hauv a database.

Tsis tas li ntawd, puas yog ib qho kev lag luam nrov database tswj cov khoom DBMS los ntawm IBM?

IBM cov DB2, Microsoft's SQL Server, thiab Oracle's Oracle Database yog cov piv txwv ntawm cov khoom lag luam DBMS.

Lub hom phiaj ntawm kev xeem ntawv database yog dab tsi?

yog ib lub cuab yeej rau kev tsim cov ntaub ntawv qauv, cov neeg tsim khoom siv nws los piav qhia cov ntsiab lus ntawm cov qauv ntaub ntawv los ntawm kev txhais cov khoom (qhov chaw) uas yuav muab khaws cia rau hauv database thiab kev sib raug zoo ntawm cov koom haum no. Cov txheej txheem ntawm kev hloov lub rooj tsis zoo rau hauv ob lossis ntau lub rooj zoo.