Oracle Data Warehouse Tuning for 10g

Oracle Data Warehouse Tuning for 10g

4.11 - 1251 ratings - Source

a€œThis book should satisfy those who want a different perspective than the official Oracle documentation. It will cover all important aspects of a data warehouse while giving the necessary examples to make the reading a lively experience. - Tim Donar, Author and Systems Architect for Enterprise Data Warehouses Tuning a data warehouse database focuses on large transactions, mostly requiring what is known as throughput. Throughput is the passing of large amounts of information through a server, network and Internet environment, backwards and forwards, constantly! The ultimate objective of a data warehouse is the production of meaningful and useful reporting, from historical and archived data. The trick is to make the reports print within an acceptable time frame. A data model contains tables and relationships between tables. Tuning a data model involves Normalization and Denormalization. Different approaches are required depending on the application, such as OLTP or a Data Warehouse. Inappropriate database design can make SQL code impossible to tune. Poor data modeling can have a most profound effect on database performance since all SQL code is constructed from the data model. * Takes users beyond basics to critical issues in running most efficient data warehouse applications * Illustrates how to keep data going in and out in the most productive way possible * Focus is placed on Data Warehouse performance tuningTherefore, direct path loads do not add rows using the SQL engine, as a regular DML INSERT statement would do. As a result, a separate direct loader log is required to implement fast refresh on materialized views. The direct loader log is anbsp;...

Title:Oracle Data Warehouse Tuning for 10g
Author:Gavin JT Powell
Publisher:Elsevier - 2011-04-08


You Must CONTINUE and create a free account to access unlimited downloads & streaming