Tài liệu Database Systems - Part 2 pdf

... Database Systems – Part 2 BÀI 2, 1 /2 ngày School of Electrical Engineering and Computer Science University of Central Florida Instructor : Mark Llewellyn markl@cs.ucf.edu CC1 21 1, 82 3 -2 790 http://www.cs.ucf.edu/courses/cop4710/spr2004 COP ... relevant part of the conceptual schema. Schemas, Mappings, and Instances (cont.) COP 4710: Database Systems (Day 3) Page 1 Ma...

Ngày tải lên: 24/12/2013, 12:16

... view COP 4710: Database Systems (Day 17) Page 15 Mark Llewellyn The PRODUCT Table in Access (-) COP 4710: Database Systems (Day 17) Page 9 Mark Llewellyn An Example Database COP 4710: Database Systems ... Page 1 Mark Llewellyn COP 4710: Database Systems Spring 20 04 Introduction to SQL BÀI 13, 2 ngày COP 4710: Database Systems Spring 20 04 Introduction to SQL BÀI...

Ngày tải lên: 21/01/2014, 18:20

... attribute. ### ###  # - #$ )./ 01 02 13 20 3 4.5 651 667.6 880 12 650 20  29 65 :2 0 6 20 # COP 4710: Database Systems (Day 18) Page 2 Mar...

Ngày tải lên: 21/01/2014, 18:20

Ngày tải lên: 24/12/2013, 10:18

... cardinality from E1 to E2 1 M E1 R E2 M:1 cardinality from E1 to E2 E1 R E2 M:M cardinality from E1 to E2 E1 R E2 alternate form for M:M cardinality from E1 to E2 N M COP 4710: Database Systems (Day 4) ... Florida Instructor : Mark Llewellyn markl@cs.ucf.edu CC1 21 1, 82 3 -2 790 http://www.cs.ucf.edu/courses/cop4710/spr2004 COP 4710: Database Systems (Day 4) Page 2 Mark Llewell...

Ngày tải lên: 24/12/2013, 12:16

... Correspondence of E-R & UML Class Diagrams (cont.) Relationships E-R Diagrams UML Class Diagrams E1 E2 R role1 role2 E1 E2 role1 role2 R E1 E2 R role1 role2 att1 att2 E1 E2 role1 role2 R att1 att2 COP ... 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 4710:...

Ngày tải lên: 24/12/2013, 12:16

... key for R  6 120 720 )!16(!1 !6 1 6 == −× =         15 48 720 ) !26 ( !2 !6 2 6 == −× =         COP 4710: Database Systems (Day 10) Page 10 Mark Llewellyn ... G. Decompose R into: R1 = (A, D, P) R2 = (A, G) K1 = {AD} K2 = {A} F1 = {AD → P} F2 = {A → G} ) -) % COP 4710: Database Systems (Day 10) Pag...

Ngày tải lên: 21/01/2014, 18:20

... E (AD) a 1 b 12 b 13 a 4 b 15 (AB) a 1 a 2 b 13 b 24 b 25 (BE) b 31 a 2 b 13 b 34 a 5 (CDE) b 41 b 42 a 3 a 4 a 5 (AE) a 1 b 52 b 13 b 54 a 5 COP 4710: Database Systems (Day 11) Page 23 Mark Llewellyn ... Llewellyn COP 4710: Database Systems Spring 20 04 Introduction to Normalization – Part 2 BÀI 11, 1 ngày COP 4710: Database Systems Spring 20 04 Introductio...

Ngày tải lên: 21/01/2014, 18:20

... $ COP 4710: Database Systems (Day 12) Page 1 Mark Llewellyn COP 4710: Database Systems Spring 20 04 Introduction to Normalization – Part 3 BÀI 12, 1 /2 ngày COP 4710: Database Systems Spring 20 04 Introduction ... Normalization – Part 3 BÀI 12, 1 /2 ngày School of Electrical Engineering and Computer Science University of Central Florida Instructor : Mark Llewellyn ma...

Ngày tải lên: 21/01/2014, 18:20

... 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 20 04 Query Processing and Optimization BÀI 15, 1,5 ngày COP 4710: Database Systems Spring 20 04 Query ... Florida Instructor : Mark Llewellyn markl@cs.ucf.edu CC1 21 1, 82 3 -2 790 http://www.cs.ucf.edu/courses/cop4710/spr2004 C...

Ngày tải lên: 21/01/2014, 18:20