Presentation is loading. Please wait.

Presentation is loading. Please wait.

Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner.

Published byJose Crowley Modified over 10 years ago

Similar presentations

Presentation on theme: "Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner."— Presentation transcript:

1 Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner ancestor descendant... IntegerValueStringValue UserObject... Object Link owner target ModelItem name: String InstanceItem instanceOf value: Integervalue: String Separate tables One table Separate tables Joined tables created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables AdhocTAManagedTA type: MType = {R,M,D} Joined tables One table v t

2 Specialization {hierarchical} Type abstract: Boolean Association unique: Boolean target Integer > String > UserType owner ancestor descendant ModelItem name: String Separate tables One table...

3 IntegerValueStringValue UserObject... Object Link owner target ModelItem name: String InstanceItem value: Integervalue: String Separate tables Joined tables instanceOf

4 UserObject Link created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables type: AType v t

5 UserObject Link created LongTA published:Date Accessed VersionedObject Transaction ShortTA next container Separate tables AdhocTAManagedTA type: AType Joined tables One table v t

6 Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner ancestor descendant ModelItem name: String Separate tables One table...

Download ppt "Specialization {hierarchical} Type abstract: Boolean trans: Boolean Association unique: Boolean essential: Boolean target Integer > String > UserType owner."

Similar presentations

Linear Lists – Array Representation

Linear Lists – Array Representation
Table, List, Blocks, Inline Style

Table, List, Blocks, Inline Style
Databases. A database program can be used to:  sort a file into a different order  Maintain contact with clients  search through the records for a.

Databases. A database program can be used to:  sort a file into a different order  Maintain contact with clients  search through the records for a.
DATABASE RC D DD CMA C M R B PK E I S H S RC H L I V FK.

DATABASE RC D DD CMA C M R B PK E I S H S RC H L I V FK.
1 G54PRG Programming Lecture 1 Amadeo Ascó Adam Moore 20 Object Oriented Theory II.

1 G54PRG Programming Lecture 1 Amadeo Ascó Adam Moore 20 Object Oriented Theory II.
Copyright © 2011 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 3 The Basic (Flat) Relational Model.

Copyright © 2011 Pearson Education, Inc. Publishing as Pearson Addison-Wesley Chapter 3 The Basic (Flat) Relational Model.
On to… string operations & functions. Concatenation (&) §When we want to combine two character strings into one new (longer) string, we can concatenate.

On to… string operations & functions. Concatenation (&) §When we want to combine two character strings into one new (longer) string, we can concatenate.
1 times table 2 times table 3 times table 4 times table 5 times table

1 times table 2 times table 3 times table 4 times table 5 times table
Computer.org Banner Advertising Sandy Brown Millennium Media Sales Meeting 13 Sept 2010.

Computer.org Banner Advertising Sandy Brown Millennium Media Sales Meeting 13 Sept 2010.
Database Relationships Objective 5.01 Understand database tables used in business.

Database Relationships Objective 5.01 Understand database tables used in business.
CSC 8310 Programming Languages Meeting 2 September 2/3, 2014.

CSC 8310 Programming Languages Meeting 2 September 2/3, 2014.
Database Relationships Objective 5.01 Understand database tables used in business.

Database Relationships Objective 5.01 Understand database tables used in business.
Working with Tables Lesson 5 of Introduction to ArcGIS for Emergency Managers.

Working with Tables Lesson 5 of Introduction to ArcGIS for Emergency Managers.
Navigating XML. Overview  Xpath is a non-xml syntax to be used with XSLT and Xpointer. Its purpose according to the W3.org is  to address parts of an.

Navigating XML. Overview  Xpath is a non-xml syntax to be used with XSLT and Xpointer. Its purpose according to the W3.org is  to address parts of an.
Access Primer UoN workshop Naivasha, 30 July – 4 August 2006.

Access Primer UoN workshop Naivasha, 30 July – 4 August 2006.
Rensselaer Polytechnic Institute CSCI-4380 – Database Systems David Goldschmidt, Ph.D.

Rensselaer Polytechnic Institute CSCI-4380 – Database Systems David Goldschmidt, Ph.D.
Processing of structured documents Spring 2002, Part 2 Helena Ahonen-Myka.

Processing of structured documents Spring 2002, Part 2 Helena Ahonen-Myka.
1 Sets and Maps Starring: keySet Co-Starring: Collections.

1 Sets and Maps Starring: keySet Co-Starring: Collections.
PowerPoint Presentation for Dennis & Haley Wixom, Systems Analysis and Design Copyright 2000 © John Wiley & Sons, Inc. All rights reserved. Slide 1 Systems.

PowerPoint Presentation for Dennis & Haley Wixom, Systems Analysis and Design Copyright 2000 © John Wiley & Sons, Inc. All rights reserved. Slide 1 Systems.
Object-oriented Programming in Java. What is OOP?  The goal is (subtype) polymorphism  Achieved by Classes (user-defined types) Classes (user-defined.

Object-oriented Programming in Java. What is OOP?  The goal is (subtype) polymorphism  Achieved by Classes (user-defined types) Classes (user-defined.

Similar presentations

Ads by Google