Data Warehousing Fundamentals: A Comprehensive Guide for IT ProfessionalsGeared to IT professionals eager to get into the all-important field of data warehousing, this book explores all topics needed by those who design and implement data warehouses. Readers will learn about planning requirements, architecture, infrastructure, data preparation, information delivery, implementation, and maintenance. They'll also find a wealth of industry examples garnered from the author's 25 years of experience in designing and implementing databases and data warehouse applications for major corporations. Market: IT Professionals, Consultants. |
From inside the book
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Page 250
... transactions as well as snapshots at specific intervals . You may then use families of STARS consisting of transaction and snapshot schemas . If you are in a manufacturing company or a similar production - type enterprise , your company ...
... transactions as well as snapshots at specific intervals . You may then use families of STARS consisting of transaction and snapshot schemas . If you are in a manufacturing company or a similar production - type enterprise , your company ...
Page 251
... TRANSACTION FACT TABLE Time Key Account Key Transaction Key District Key Trans Reference Account Number Amount Time Key Account Key Status Key Transaction Count TELEPHONE SNAPSHOT FACT TABLE Ending Balance TRANSACTION TIME Transaction ...
... TRANSACTION FACT TABLE Time Key Account Key Transaction Key District Key Trans Reference Account Number Amount Time Key Account Key Status Key Transaction Count TELEPHONE SNAPSHOT FACT TABLE Ending Balance TRANSACTION TIME Transaction ...
Page 266
... transaction log and selects all the committed transactions . There is no extra overhead in the operational systems because logging is al- ready part of the transaction processing . You have to make sure that all transactions are ...
... transaction log and selects all the committed transactions . There is no extra overhead in the operational systems because logging is al- ready part of the transaction processing . You have to make sure that all transactions are ...
Contents
The Compelling Need for Data Warehousing | 1 |
The Building Blocks | 19 |
Review Questions | 37 |
Copyright | |
26 other sections not shown
Other editions - View all
Data Warehousing Fundamentals: A Comprehensive Guide for IT Professionals Paulraj Ponniah Limited preview - 2004 |
Data Warehousing Fundamentals: A Comprehensive Guide for IT Professionals Paulraj Ponniah No preview available - 2004 |
Common terms and phrases
aggregate algorithms analysis applications architecture attributes backup business dimensions changes cluster columns complex components create data cleansing data elements data extraction data loading data marts data mining data model data quality data sources data staging data structures data transformation data warehouse environment data warehouse project data warehousing database DBMS decision deployment dimension table dimensional model end-users example fact table Figure files functions incremental loads information delivery integrated interface marketing MDDB methods metrics MOLAP multidimensional OLAP system OLTP online analytical processing operational systems options package diagram performance physical model pilot platform primary key product dimension programs project team queries and reports records relational ROLAP selection server source data source systems specific staging area standards STAR schema strategic information summary techniques tion types usage users values vendors ware Web-enabled data warehouse