Siyini isimiso sedatha?
Context:Isikimu sedatha yisakhiwo sedatha esichazwe ngolimi olusemthethweni olusekelwa uhlelo lokuphathwa kwedatha (DBMS). Igama elithi "schema" libhekisela ekuhlelweni kwedatha njengohlaka lwendlela i-database eyakhiwe ngayo (ihlukaniswe yaba amatafula e-database uma kuziwa kuma-database ahlobene). Incazelo esemthethweni yesikimu sedatha iqoqo lamafomula (imisho) abizwa ngokuthi imingcele yobumbano ebekwe kudathabheyisi. Le mingcele yobumbano iqinisekisa ukuhambisana phakathi kwezingxenye zesikimu. Yonke imingcele ingachazwa ngolimi olufanayo. I-database ingabhekwa njengesakhiwo ekufezeni ulimi lwe-database. Izimo zesikimu somqondo esenziwe ziguqulwa zibe ibalazwe elicacile, i-database schema. Lokhu kuchaza indlela izakhiwo zomhlaba wangempela ezakhiwe ngayo ku-database.
Yisakhiwo sedatha - njengoba kuchazwe ngolimi olusemthethweni olusekelwa uhlelo lokuphathwa kwedatha. Libhekisela ekuhlelweni kwedatha njengohlaka lwendlela i-database eyakhiwe ngayo (isib. equkethe amatafula uma kunama-database ahlobene).