BUSI 3040U Chapter Notes - Chapter 5: Sql, Master Data Management, Data Redundancy

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18 May 2017
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Managing data high (cid:395)ualit(cid:455), a(cid:272)(cid:272)u(cid:396)ate, (cid:272)o(cid:373)plete, ti(cid:373)el(cid:455), (cid:272)o(cid:374)siste(cid:374)t, a(cid:272)(cid:272)essi(cid:271)le, (cid:396)ele(cid:448)a(cid:374)t a(cid:374)d (cid:272)o(cid:374)(cid:272)ise. Data(cid:271)ase g(cid:396)oup of logi(cid:272)all(cid:455) (cid:396)elated files that sto(cid:396)es data a(cid:374)d the asso(cid:272)iatio(cid:374) a(cid:373)o(cid:374)g the(cid:373: minimizes data redundancy, isolation and inconsistency, maximizes data security, integrity, and independence. Designing the database: data (cid:373)odel defi(cid:374)itio(cid:374) of the (cid:449)a(cid:455) that data i(cid:374) dbms a(cid:396)e (cid:272)o(cid:374)(cid:272)eptuall(cid:455) st(cid:396)u(cid:272)tu(cid:396)ed, e(cid:374)tit(cid:455) a pe(cid:396)so(cid:374) pla(cid:272)e o(cid:396) thi(cid:374)g o(cid:396) e(cid:448)e(cid:374)t a(cid:271)out (cid:449)hi(cid:272)h i(cid:374)fo(cid:396)(cid:373)atio(cid:374) is (cid:373)ai(cid:374)tai(cid:374)ed i(cid:374) a (cid:396)e(cid:272)o(cid:396)d. Identifiers att(cid:396)i(cid:271)ute that ide(cid:374)tifies a(cid:374) e(cid:374)tit(cid:455) i(cid:374)sta(cid:374)(cid:272)e. Database management system (cid:894)dbms(cid:895) software program that provides access to a database. Relational database model data model based on the simple concept of tables in order to capitalize on characteristics of rows and columns of data. Data(cid:271)ase i(cid:374) a(cid:272)tio(cid:374) o(cid:396)ga(cid:374)izatio(cid:374)s i(cid:373)ple(cid:373)e(cid:374)t data(cid:271)ases to (cid:373)a(cid:374)age thei(cid:396) data effi(cid:272)ie(cid:374)tl(cid:455) a(cid:374)d effe(cid:272)ti(cid:448)el(cid:455) K(cid:374)o(cid:449)ledge ma(cid:374)age(cid:373)e(cid:374)t p(cid:396)o(cid:272)ess that helps o(cid:396)ga(cid:374)izatio(cid:374)s ide(cid:374)tif(cid:455), sele(cid:272)t, o(cid:396)ga(cid:374)ize, disse(cid:373)i(cid:374)ate, transfer and apply i(cid:374)fo(cid:396)(cid:373)atio(cid:374) a(cid:374)d e(cid:454)pe(cid:396)tise that a(cid:396)e pa(cid:396)t of the o(cid:396)ga(cid:374)izatio(cid:374)"s (cid:373)e(cid:373)o(cid:396)(cid:455) a(cid:374)d that t(cid:455)pi(cid:272)all(cid:455) (cid:396)eside (cid:449)ithi(cid:374) the o(cid:396)ga(cid:374)izatio(cid:374) i(cid:374) a(cid:374) unstructured manner.

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