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&G568H 9E COP 4710: Database Systems (Day 12) Page 8 Mark Llewellyn Test for AB→CDE continues Z = {ABCE}...
Ngày tải lên: 21/01/2014, 18:20
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...
Ngày tải lên: 21/01/2014, 18:20