Migrating from Microsoft SQL Server to IBM Informix

An IBM Redbooks publication


In this IBM® Redbooks® publication, we discuss considerations, and describe a methodology, for transitioning from Microsoft® SQL Server 2008 to the Informix® Dynamic Server. We focus on the topic areas of data, applications, and administration, providing information about the differences in features and functionality, including the data types, data manipulation language, data definition language, and stored procedures. Understanding the features and functionality of the two products assists you in developing a migration plan.

We provide a conversion methodology and discuss the processes for migrating the database objects and data from SQL Server to Informix using various methods. We show the SQL differences between SQL Server and Informix and illustrate, with examples, how to convert tables, views, stored procedures, functions, and triggers. We provide script conversion samples for data loading. We describe application programming and conversion considerations. In addition, we discuss the Informix configuration, as well as the administration features and functions Informix provides to help DBAs manage the Informix database server after it is migrated.

With this information, you can develop your required transition methodology, and you can plan and execute the conversion activities in an orderly and cost-effective manner.

Table of contents

Chapter 1. Introduction
Chapter 2. Architecture overview
Chapter 3. Migration methodology
Chapter 4. SQL considerations
Chapter 5. Database schema and data migration
Chapter 6. Application conversion
Chapter 7. Informix configuration and administration
Appendix A. Terminology mapping
Appendix B. Data types
Appendix C. Function mapping
Appendix D. Operator mapping
Appendix E. Administrative and monitoring task mapping
Appendix F. Database server utilities
Appendix G. SQL limits


Publish Date
22 July 2010

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