'Functional dependency fd' diaporamas de présentation

Functional dependency fd - PowerPoint PPT Presentation

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??????????. ??????? An Introduction to Database System ??? ??????. ??? ??????. 6.1 ????? 6.2 ??? 6.3 ????????? * 6.4 ????? 6.5 ??. 6.1 ?????. ????????? ?????????????????????? ???????????????????????. ?????. ?????? ???????????? ????????? ??????????? ?????????????. ??????.

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1.32k views • 122 slides
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??????????. ??????? An Introduction to Database System ??? ??????. ??? ??????. 6.1 ????? 6.2 ??? 6.3 ????????? * 6.4 ????? 6.5 ??. 6.1 ?????. ????????? ?????????????????????? ???????????????????????. ?????. ?????? ???????????? ????????? ??????????? ?????????????. ??????.

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1.36k views • 121 slides
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??????????. ??????? An Introduction to Database System ??? ??????. ??? ??????. 6.1 ????? 6.2 ??? 6.3 ????????? * 6.4 ????? 6.5 ??. 6.1 ?????. ????????? ?????????????????????? ???????????????????????. ?????. ?????? ???????????? ????????? ??????????? ?????????????. ??????.

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1.41k views • 121 slides
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1.39k views • 113 slides
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? 4 ? ???????????. ??????. ? 1 ?????????????? ? 2 ? FD ???????????????????????????? FD ? ??? ????????????????? FD ??????????? ? 3 ???????????????????????? ? 4 ????????? 1 NF ? 2NF ? 3NF ? BCNF ? ??? 2 NF ? 3NF ??????? ? 5 ? MVD ? 4NF ? JD ? 5 NF ????. ??.

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706 views • 61 slides
DATABASE LOGICAL DESIGN - I

DATABASE LOGICAL DESIGN - I

DATABASE LOGICAL DESIGN - I. Chandra S. Amaravadi. DATABASE DESIGN. The objective of database design is to develop a set of well structured tables so that:. Data is in the most efficient form No uncontrolled redundancies Queries/reporting facilitated

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598 views • 41 slides

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