What is Dimensional Modelling Latest Answer: It is logical design techniques and visual techinques it can be contain aggregate table, dimension table, fact table ... Read…
CA218 Introduction to Databases Notes Chapter 4: Entity-Relationship (ER) Data Modelling • • • • • Introduction ER Definitions ER Notation Relationships ER Examples…
1. Data Warehousing, Mining and Web Tools 2. Contents Data Warehousing Data Mining Web Warehouses Further Reading 3. OLTP Systems So far we have concentrated on OLTP (online…
1. Data Warehousing and Data Mining May 2006 2. Contents Data Warehousing OLAP Data Mining Further Reading 3. Data Warehousing OLTP (online transaction processing) systemsrange…
Slide 1 Joanne Evans and Mirna Willer Slide 2 Agenda o Introductions o Mirna’s story – Entity-Relationship Modeling Method: “Bibliographic Universe” o Joanne’s…
Slide 1 2.1 The traditional SDLC and structured approaches: Structured Analysis IMS3230 - Information Systems Development Practices Slide 2 2.2 The traditional SDLC Traditional…
Slide 1 ER Modelling III Example Digital Voice Systems Data Modelling Deriving Tables Types Mapping to SQL DDL Slide 2 Introduction This lecture introduces the Digital Voice…
Slide 1 Introduction to RDBMS Introduction to RDBMS Slide 2 RDBMS Relational database management system. Data is stored in the form of tables and there is a relationship…
Slide 1 1 Structured Analysis Techniques Slide 2 2 Entity Relationship Diagrams Slide 3 3 Data models Most large software systems make use of a large database of information.…