Ma’lumotlar bazasining arxitekturasi va modellash
Annotatsiya
Ma'lumotlar bazasi (MB) — bu tuzilgan ma'lumotlarni saqlash, boshqarish va ularga tezkor kirish imkonini beruvchi tizimdir. Zamonaviy axborot tizimlarining asosini ma'lumotlar bazalari tashkil etib, ular biznes, tibbiyot, ta'lim, moliya va boshqa ko'plab sohalarda keng qo'llaniladi. Ma'lumotlar bazasini to'g'ri loyihalash va modellashtirish tizimning ishlash samaradorligi, ma'lumotlar yaxlitligi va xavfsizligini bevosita ta'minlaydi.Ma'lumotlar bazasini boshqarish tizimi (MBBT yoki DBMS — Database Management System) foydalanuvchilarga ma'lumotlarni saqlash, qidirish, yangilash va o'chirish imkonini beruvchi dasturiy ta'minotdir. Oracle, MySQL, PostgreSQL, Microsoft SQL Server va MongoDB kabi DBMS tizimlari bugungi kunda keng qo'llanilmoqda.
Kalit so'zlar: ma'lumotlar bazasi, DBMS, arxitektura, ER-diagram, relyatsion model, NoSQL, normalizatsiya, indeks, kontseptual model, mantiqiy model, fizik model, SQL, modellash
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