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)

Backup and recovery

Following, there are four utilities supported within Db2 to facilitate backing up and restoring a database:

  • The backup utility
  • The restore utility
  • The roll-forward utility
  • The recover utility

The Db2 backup utility

The backup utility is used to create images outside the database that can be used to recover the entire database or a portion of it. If the database is an archive logging enabled database, the backup utility can be executed online with multiple concurrent applications connected to the database. The backup utility uses the utility heap to copy the data from the table spaces to the backup image. The utility heap can be controlled via the database configuration parameter UTIL_HEAP_SZ.

The backup...