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Designing databasesThe first step in creating a relational database is to construct a data model, which is a precise, complete definition of the data you want to store. After you prepare your data model, you must implement it as a database and tables. To implement your data model, you first select a data type for each column and then you create a database and tables and populate the tables with data. You can also implement fragmentation strategies and control access to your data.
Designing and Implementing a DatabaseThe Informix® Database Design and Implementation Guide provides information to help you design, implement, and manage your Informix® databases. It includes data models that illustrate different approaches to database design and shows you how to use structured query language (SQL) to implement and manage your databases.
Basics of database design and implementation
Plan a database
Use ANSI-compliant databases
Differences between ANSI-compliant and non-ANSI-compliant databases
Escape characters

Escape characters

In an ANSI-compliant database, escape characters can only escape the special significance of the percent (%) and underscore (_) characters. You can also use an escape character to escape itself. For more information about escape characters, see the Condition segment in the Informix® Guide to SQL: Syntax.

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