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 25
... basic approaches : ( 1 ) overall data warehouse feeding dependent data marts , and ( 2 ) several departmental or lo- DATA WAREHOUSE DATA MART Corporate / Enterprise - wide Union DATA WAREHOUSES AND DATA MARTS 25 25 How are They Different?
... basic approaches : ( 1 ) overall data warehouse feeding dependent data marts , and ( 2 ) several departmental or lo- DATA WAREHOUSE DATA MART Corporate / Enterprise - wide Union DATA WAREHOUSES AND DATA MARTS 25 25 How are They Different?
Page 27
... schedule important data marts first • Allows project team to learn and grow The disadvantages are : • Each data mart has its own narrow view of data • Permeates redundant data in every data mart • Perpetuates inconsistent and irreconcilable ...
... schedule important data marts first • Allows project team to learn and grow The disadvantages are : • Each data mart has its own narrow view of data • Permeates redundant data in every data mart • Perpetuates inconsistent and irreconcilable ...
Page 461
... data extraction , transformation , and loading is tedious and labor ... data ware- house ? Most decidedly , if you parcel the deployment into manageable parts ... marts . The bottom - up approach relates to building a group of data marts ...
... data extraction , transformation , and loading is tedious and labor ... data ware- house ? Most decidedly , if you parcel the deployment into manageable parts ... marts . The bottom - up approach relates to building a group of data marts ...
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