MDF (multidimensional dataset, Master cov ntaub ntawv cov ntaub ntawv, cov ntaub ntawv kev kho mob thiab cov ntaub ntawv kev lag luam, cov ntaub ntawv tsim tawm, uas yog cov ntaub ntawv siv cov ntaub ntawv uas siv rau cov ntaub ntawv thiab cov txheej txheem ntau cov ntaub ntawv. Cov ntaub ntawv ntau cov ntaub ntawv teeb tsa tseem ceeb heev hauv cov ntaub ntawv chaw ua haujlwm thiab kev tshawb xyuas online (olap), tso cai rau cov neeg siv los tshawb xyuas cov ntaub ntawv los ntawm ntau qhov kev xav. Hauv kev tswj hwm database thiab cov ntaub ntawv thev naus laus zis, MDF hais txog cov ntaub ntawv cov ntaub ntawv, uas yog cov ntaub ntawv tseem ceeb rau khaws cov ntaub ntawv tseem ceeb hauv cov ntaub ntawv. Hauv Microsoft SQL Server, MDF cov ntaub ntawv muaj tag nrho cov ntaub ntawv thiab cov ntaub ntawv xov xwm ntawm cov ntaub ntawv thiab yog lub hauv paus rau kev ua haujlwm ntawm cov ntaub ntawv. Hauv kev ua haujlwm ntawm kev kho mob, MDF sawv rau kev kho mob cov duab thiab cov qauv sib txuas lus, uas yog cov qauv kev hloov pauv, khaws cia, khaws cov ntaub ntawv ua haujlwm. Hauv kev lag luam nyiaj txiag, MDF hais txog cov ntaub ntawv lag luam xws li cov nqi lag luam nyiaj txiag, thiab lwm yam rau kev txiav txim siab nyiaj txiag thiab kev txiav txim siab nyiaj txiag. Hauv kev txhim kho software, MDF yog cov qauv-tsav lub moj khaum los tsim thiab siv cov qauv software, ua rau cov txheej txheem txhim kho ntau dua thiab tswj tau.
Hauv cov ntaub ntawv kev kawm, MDF hais txog nruab nrab-tuab fiberboard, uas yog tus txiv neej-ua board ua los ntawm ntoo fiber ntau lossis lwm yam nroj tsuag. MDF Board muaj cov khoom siv lub cev thiab yog cov txheej txheem yooj yim, thiab feem ntau siv hauv cov rooj tog ua thiab kho kom zoo nkauj.
