This book is designed to enhance the skills of the Oracle DBA by giving them knowledge and examples on how to improve their system's performance. Readers will learn how to: understand how to use trace files, the alert log file and event sets to assist with tuning; become familiar with the new features of Oracle9i.; understand and be able to use utilities and dynamic performance views to assist with tuning; understand how to tune applications using index structures and how to perform SQL statement tuning.; tune SQL Statements Efficiently; read Alert Logs and Trace Files; tune the Shared Pool; tune the Buffer Cache; use Multiple Buffer Caches; tune a Multi-Threaded Server; configure and tune the storage subsystem that Oracle is using, and use Oracle in a SAN environment.
This license allows and is limited to the creation and distribution of clean room implementations of this specification that ... For more information , please contact : Pearson Education Corporate Sales Division ; 201 W. 103rd Street ...
XML: Designing XML internet applications
由于各部分自由度不相等,因此各部分离差平方和不能比较,必须将各部分离差平方和除以相应自由度,其即比值称为均方差,简称为均方。组间均方: ,组内均方:。这时根据这两个值可以进行F检验,即: }gs}image81-5.jpg}/gs} ,表示各个样本不是来自同一总体, ...
Tackle the toughest set-based querying and query tuning problems--guided by an author team with in-depth, inside knowledge of T-SQL. Deepen your understanding of architecture and internals--and gain practical approaches and...
Get a detailed look at the internal architecture of T-SQL with this comprehensive programming reference. Database developers and administrators get best practices, expert techniques, and code samples to master the...
Second Editionnow available! World Wide Web (WWW) sites have been blossoming at an astounding rate, with good reason; WWW technology has proven extraordinarily effective at creating a flexible, interactive, and...
This book provides a practical and proven approach to designing relational databases. It contains two complementary design methodologies: logical data modeling and relational database design. The design methodologies are independent...
Relational databases have quickly come to be regarded as a natural and efficient way of organizing information. Duplicate data can be eliminated and powerful set-theoretic operations can be used to...
The first and only database primer for today's global economy Today's businesses depend on their databases to provide information essential for their day-to-day operations and to help them take advantage...
Coverage of business database systems is organized around the database development life cycle in this text, providing a basis for discussing conceptual and implementation design, database implementation, and the management...