DATABASE SYSTEMS (phần 23) docx

Tài liệu Database Systems - Part 12 docx

Tài liệu Database Systems - Part 12 docx

... $ COP 4710: Database Systems (Day 12) Page 1 Mark Llewellyn COP 4710: Database Systems Spring 2004 Introduction to Normalization – Part 3 BÀI 12, 1/2 ngày COP 4710: Database Systems Spring ... {BC} = {BC}, C→C is covered F&G568H 9E COP 4710: Database Systems (Day 12) Page 8 Mark Llewellyn Test for AB→CDE continues Z = {ABCE}...

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Tài liệu Database Systems - Part 15 docx

Tài liệu Database Systems - Part 15 docx

... attribute. )R(r 1 n 1 )R(r n )R(r =         COP 4710: Database Systems (Day 21) Page 1 Mark Llewellyn © COP 4710: Database Systems Spring 2004 Query Processing and Optimization BÀI 15, 1,5 ngày COP 4710: Database Systems Spring 2004 Query ... general database access algorithms that implement basic relational operations such as select and join. Hybrid combinations of re...

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