Book Image

IBM Db2 11.1 Certification Guide

By : Robert (Kent) Collins, Mohankumar Saraswatipura
Book Image

IBM Db2 11.1 Certification Guide

By: Robert (Kent) Collins, Mohankumar Saraswatipura

Overview of this book

IBM Db2 is a relational database management system (RDBMS) that helps you store, analyze, and retrieve data efficiently. This comprehensive book is designed to help you master all aspects of IBM Db2 database administration and prepare you to take and pass IBM's Certification Exams C2090-600. Building on years of extensive experience, the authors take you through all areas covered by the test. The book delves deep into each certification topic: Db2 server management, physical design, business rules implementation, activity monitoring, utilities, high availability, and security. IBM Db2 11.1 Certification Guide provides you with more than 150 practice questions and answers, simulating real certification examination questions. Each chapter includes an extensive set of practice questions along with carefully explained answers. This book will not just prepare you for the C2090-600 exam but also help you troubleshoot day-to-day database administration challenges.
Table of Contents (10 chapters)

Monitoring infrastructure

The new in-memory metrics monitoring infrastructure introduced in Db2 9.7 accesses the monitoring information through new table functions and event monitors. This is an improvement from expensive snapshot-based statistics used in the earlier Db2 releases.

The monitoring table functions and administrative views allow you to capture the state of a database or application connections at a specific point in time, whereas event monitors capture and record information as specific database events occur. The monitoring information collected in both tools is stored in entities called monitor elements. The monitor elements are data structures used to store information about a specific aspect of the database system's status. For example, the monitor element deadlocks reflects the total number of deadlocks that have occurred in the database system since its...