Informix Guide to SQL: Reference
Chapter 2: Data Types

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In This Chapter

Every column in a table is assigned a data type. The data type precisely defines the type of values that you can store in that column. This chapter discusses those data types which can be used to create a column of a table in the database.

This chapter covers the following topics:

Built-in data types provided by Universal Server
User-defined data types supported by Universal Server
Changing the data type of a column
Casting one data type to another
A summary of data types that Universal Server supports

Informix Guide to SQL: Reference, version 9.1
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