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Administering Informix Dynamic Server on Windows NT

Administering Informix Dynamic Server on Windows NT

          
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About the Book

This is the first systematic, hands-on guide to installing, configuring, tuning and administering Informix Dynamic Server on Windows NT. Written by the former President of the International Informix Users Group, it reflects real-world applications and a hands-on approach - just what working DBAs need to get the job done. For new and experienced DBAs, it offers a wide variety of tips for simplifying Informix administration and optimization. It also covers Informix' Universal-Data Configuration option. The CD-ROM contains extensive software tools for Informix DBAs. This is a companion book to Carlton Doe's Informix-Online Dynamic Server Handbook, which focused on UNIX-based Informix systems.

Table of Contents:
Foreword About This Book Book Structure Intended Audience Book Summary Conventions Used in This Book Acknowledgments I. Preparing to Use the Engine 1. Introduction to Informix Dynamic Server What Is Informix Dynamic Server? The Informix Dynamic Server Architecture Model. The Processor Component. The Shared Memory Component. The Resident Portion. The Virtual Portion. The Disk Component. Definition of Terms. Physical Elements. Instance Elements. Database Terms. Types of Database Environments. Transactions. Checkpoints. Summary. Coming Up. 2. Preparing for Initialization Required Software. Logical Database Design. Calculating Table Sizes. Disk Drive Issues. Mirroring. RAID. Level 0. Level 1. Level 0+1. Levels 5 and 6. Software-based RAID. Which to Choose? Using "Cooked" Files or "Raw" Space for Dbspaces. Dbspace Design Issues. Basic NT Administration Issues. Basic Backup Strategies. Setting Up the Environment. Required Files. The INFORMIXDIR. The ONCONFIG File. The Services File. The Hosts File. NT Registry Settings. SQLHOSTS. Environment Variables. Multiple Residency Issues. Summary. Coming Up. II. Initializing, Configuring, and Operating the Engine 3. Installing and Initializing the Server Installing or Upgrading the Engine. A New Installation. Upgrading from a 7.2x Version of the Engine. Installing Answers OnLine. Replicating an Installation Set on Multiple Servers. Reinitializing the Instance from Scratch. Understanding and Modifying Configuration Parameters. Initial Devices. System Configuration. Shared Memory. Data Replication. Backup and Restore. Diagnostics. Parallel Data Query (PDQ) and Performance. Uninstalling the Software. The Sysmaster and Sysutils Databases and the SMI. The Sysmaster Database and SMI. The Sysutils Database. Creating Additional Instances on the Server. Summary. Coming Up. 4. The IECC and Basic Administrative Tasks The Informix Enterprise Command Center. Installing IECC Software on Clients and UNIX Hosts. Components of the IECC. Instance Reports. Sessions. Events. Bar Activity. The Spaces Snapin. The Database Snapin. The Instance Manager. Creating a New Instance. Dropping an Instance. The setnet32 Utility. Changing Operating Modes. From the Control Panel. With the IECC. Using Command-Line Utilities. Changing Database Logging Modes. Managing Dbspaces and BLOBspaces. Temporary Dbspaces. Creating a Dbspace or BLOBspace. Using the Spaces Snapin. Understanding Informix's Chunk Naming Conventions. Using the onspaces Utility. Adding a Disk Chunk. Dropping a Disk Chunk. Dropping a Dbspace. Adding or Dropping an Informix Mirror. Changing the Status of a Chunk. Setting or Changing DATASKIP. Creating, Moving, and Resizing Logs. The Physical Log. The Logical Log. Terminating a User Session. Starting and Stopping Informix Dynamic Server Automatically. Summary. Coming Up. 5. Building a Database Environment The SQL Editor Utility. The Dbaccess Utility. Logging Modes. Creating the Database. Table and Index Creation and Fragmentation. Creating Tables and Indexes. Fragmenting Tables. Round-Robin Fragmentation. "By Expression" Fragmentation. Evaluating the Expression. Fragmenting Indexes. Altering Fragments. Initializing, Adding, or Modifying Fragments. Dropping Fragments. Attaching Tables. Detaching Fragments. Setting Tables and/or Indexes to Be Memory Resident. Constraints, Referential Integrity, and Indexes. Stored Procedures and Triggers. Constraints and Indexes. The Logical Differences between Constraints and Indexes. Differences in Their Enforcement. How to Create Constraints. Fragmenting Constraints. Populating the Database. Dbimport. The SQL "load" Command. The dbload Utility. The onload Utility. Flat File Loads through 4GL Applications. Concurrency and Isolation Levels. Lock Types and Modes. Understanding and Setting Isolation Levels. SQL Statements That Might Be of Interest. Violations and Diagnostics, Constraint and Index Enabling, and Filtering. Roles. Session Authorization. Rename Database. Alter Table. Case-Insensitive Queries. Date and Datetime Conversion. Case Statements. Select First N Rows. The dbschema Utility. Summary. Coming Up. III. Planning for Database Recovery and Performance Tuning 6. Backing Up and Restoring Backup Strategies. The Focused Approach. The "Whole-istic" Approach. Logical Logs. Backup Devices. Tape Devices. Flat Files. Understanding the Backup Process. Restore Options. Using the ontape Utility. Creating Backups. Restoring from Backups. Using ON-Bar and the ISM. The ON-Bar Utility Suite and the ISM. Configuring the ISM and ON-Bar. Setting the Server Properties. Log Files. Configuring Storage Devices. Labeling Volumes. Mounting Volumes. Creating Backups with ON-Bar. Using Interfaces from the IECC, 366 Using the Command-line Utility. Creating a "Fake" Backup. Volume Inventories. Restoring and Recovering from an ON-Bar Backup. Restoring Instances and/or Dbspaces. Restartable Restores. Recovering from a Catastrophic Failure. Logical Log Backups through ON-Bar. Cloning Volumes or Save Sets. Summary. Coming Up. 7. Monitoring the Instance Command-line Utilities. Engine Status Reports: The onstat Utility. Looking at User Threads. Disk and Chunk Information. General Instance Monitoring. Database Integrity Reports: The Oncheck Utility. Instance Reserved Pages. System Catalog Tables. Tablespace Report. Chunk Free List and Tablespace Interleaving. Verifying Data and Index Consistency and Integrity. Graphical Utilities. Using the Sysmaster Database. Summary. Coming Up. 8. Enhancing Performance Tuning Virtual Processors. What Are Virtual Processors? VP Classes. Monitoring and Tuning Virtual Processors. Adding or Removing Virtual Processors. Adding Vps. Dropping Vps. Update Statistics and Data Distributions. Modes and Distributions. Distributions and Resolution. Usage Recommendations. The Query Optimizer. Factors Affecting Optimization. OPTCOMPIND and Joins. Optimizer Directives. The OPT_GOAL Parameter and the "set optimization" Command. PDQ and MGM. PDQ. MGM. A Collection of Miscellaneous Thoughts. LRU Efficiency. Virtual Shared Memory Usage. Summary. Coming Up. IV. Expanding Your Horizons, Additional Topics and Technologies 9. Providing High Availability and Reliability. What Is High-Availability Data Replication? How Does HADR Work? Logical Log Transfer Modes. Synchronous Transfer Mode. Asynchronous Transfer Mode. Instance Actions When a Failure Occurs. What Is a Failure? What Happens in a Failure Condition? Initializing HADR. Server and Software Conditions. Dynamic Server Conditions. Network Conditions. A Step-by-Step Approach to Initializing HADR. Recovering after an HADR Failure. Effect of the DRAUTO Parameter on the Recovery Process. A Step-by-Step Approach to Recovering from HADR Failure Conditions. Restarting HADR after a Scheduled Maintenance Period. Recovering from a Physical Failure. Recovering from a Logical Failure. HADR and Applications. Summary. Coming Up. 10. Recovering from a Crash How Does the Engine Protect Itself? Physical Mechanisms. Logical Mechanisms. The Fast Recovery Process. What Is a Checkpoint? What Is the Fast Recovery Process? The First Phase-Verifying the Physical Integrity of the Instance. The Second Phase-Verifying the Logical Integrity of the Data. Informix Technical Support Options. The Informix Support Organization. The Front Line Group. The Advanced Support Group. The Regional Advanced Support Team. How You Can Help Informix's Technical Support Group. Responsibilities of the Administrator Following a Crash. Summary. Coming Up. 11. Distributed Transactions Introduction to Distributed Transactions. Distributed Transaction Commit Protocols. The Heterogeneous Commit Protocol. The Two-Phase Commit Protocol. Failure in the Precommit Phase. Failure in the Postdecision Phase. Case Study: Participant Failure. What Is an Independent Action? Case Study: Heuristic Rollback Condition. Case Study: Heuristic End Transaction Condition. Recovering from a Heuristic Failure. Summary. Coming Up. 12. Using the Windows High-Performance Loader Preparing to Use the HPL. Configuration Issues. Replacing the Start-onpload. Stored Procedure. ONCONFIG Parameters. The PLCONFIG File. The onpload Database. HPL Logs. Using the IECC to Run HPL Jobs on UNIX Servers. Creating and Running HPL Jobs. Modifying or Deleting HPL Jobs. Summary. Coming Up. 13. Scripts to Help Get the Job Done Setting Up a Korn Shell Window Environment. Instance and Other Log Maintenance. Instance Administration. Starting and Stopping Unregistered Instances. Database Administration. The Informix FAQ. Appendix A: Other Informix Resources Appendix B: Table Sizing Worksheets Appendix C: An Interview with Gary Kelley Appendix D: An Extract from the DB-Access Manual Index, 690


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Product Details
  • ISBN-13: 9780130805331
  • Publisher: Pearson Education (US)
  • Publisher Imprint: Prentice Hall
  • Height: 234 mm
  • No of Pages: 752
  • Weight: 1430 gr
  • ISBN-10: 0130805335
  • Publisher Date: 11 May 1999
  • Binding: Paperback
  • Language: English
  • Spine Width: 49 mm
  • Width: 179 mm


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