Tài liệu Database Systems - Part 10 ppt

... G} ) -) % COP 4 710: Database Systems (Day 10) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to Normalization BÀI 10, ½ ngày COP 4 710: Database Systems Spring ... detail. Temporal relational databases and certain categories of spatial databases fall into the N1NF category. )) ),)% COP 4 710:...

Ngày tải lên: 21/01/2014, 18:20

... COP 4 710: Database Systems (Day 5) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to Data Modeling – Part 2 BÀI 5, 1 ngày COP 4 710: Database Systems Spring ... attributes customer customer-name customer-id customer-street customer-city E-R Diagram UML Class Diagram customer name customer-id customer-name customer-street customer-city COP 4 710: Da...

Ngày tải lên: 24/12/2013, 12:16

... Example ERD customer customer-id customer-name street apartment-num phone-num date-of-birth age first-name middle-name last-name address city state zipcode street-name street-num ... have. Emp-Phone(emp-name, telephone-number, age, location, manufacturer, serial-num) Entity Sets vs. Attributes COP 4 710: Database Systems (Day 4) Page 1 Mark Llewellyn COP 4 710: Database Systems Spri...

Ngày tải lên: 24/12/2013, 12:16

... COP 4 710: Database Systems (Day 3) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to Database Systems – Part 2 BÀI 2, 1/2 ngày School of ... markl@cs.ucf.edu CC1 211, 82 3-2 790 http://www.cs.ucf.edu/courses/cop4 710/ spr2004 COP 4 710: Database Systems (Day 3) Page 10 Mark Llewellyn • The external level is the user’s view of the database...

Ngày tải lên: 24/12/2013, 12:16

... (cont.) COP 4 710: Database Systems (Day 11) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to Normalization – Part 2 BÀI 11, 1 ngày COP 4 710: Database Systems Spring ... COP 4 710: Database Systems (Day 11) Page 10 Mark Llewellyn • Whenever an update is made to the database, the DBMS must be able to verify that the ... Llewellyn markl@cs...

Ngày tải lên: 21/01/2014, 18:20

... $ }A,B,C,D{D G = + COP 4 710: Database Systems (Day 12) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to Normalization – Part 3 BÀI 12, 1/2 ngày COP 4 710: Database Systems Spring ... COP 4 710: Database Systems (Day 12) Page 10 Mark Llewellyn Test for C→B continues Z = {CD} ∪ ((CD ∩ ABC) + ∩ ABC) = ... Llewellyn markl@cs.ucf.edu CC1...

Ngày tải lên: 21/01/2014, 18:20

... today’s date COP 4 710: Database Systems (Day 17) Page 19 Mark Llewellyn The INVOICE Table in Access (-) COP 4 710: Database Systems (Day 17) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring ... 4 710: Database Systems (Day 17) Page 21 Mark Llewellyn The LINE Table in Access (-) COP 4 710: Database Systems (Day 17) Page 22 Mark Llewellyn Some Notes On Table C...

Ngày tải lên: 21/01/2014, 18:20

... joins later. COP 4 710: Database Systems (Day 18) Page 1 Mark Llewellyn COP 4 710: Database Systems Spring 2004 Introduction to SQL – Part 2 BÀI 14, 2 ngày COP 4 710: Database Systems Spring 2004 Introduction ... Operator 5.62965 2965 0 A 67# .621 01.00 02< 886 0.86 02612@ ...

Ngày tải lên: 21/01/2014, 18:20

... conjunction. COP 4 710: Database Systems (Day 21) Page 1 Mark Llewellyn © COP 4 710: Database Systems Spring 2004 Query Processing and Optimization BÀI 15, 1,5 ngày COP 4 710: Database Systems Spring ... equi-join operation R * A=B S has the same effect as a natural join operation. COP 4 710: Database Systems (Day 21) Page 22 Mark Llewellyn © Algorithms for Two-way Join Oper...

Ngày tải lên: 21/01/2014, 18:20

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Ngày tải lên: 24/12/2013, 12:17