Migrating from Microsoft SQL Server to IBM Informix

Migrating from Microsoft SQL Server to IBM Informix

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In this IBMAr RedbooksAr publication, we discuss considerations, and describe a methodology, for transitioning from MicrosoftAr SQL Server 2008 to the InformixAr 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.--Create table for fixed format data CREATE EXTERNAL TABLE aquot;dboaquot;.authors ( author_id VARCHAR(10) EXTERNAL CHAR(20), ... Now, you must load data into the database server, which requires that you embed the external table into SQLanbsp;...

Title:Migrating from Microsoft SQL Server to IBM Informix
Author:Whei-Jen Chen, Chee Fong Koh, Deen Murad, Holger Kirstein, Rakeshkumar Naik, IBM Redbooks
Publisher:IBM Redbooks - 2010-07-22


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