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SQL programming
You can use the HCL Informix® implementation of the SQL language to develop applications for Informix database servers.
Guide to SQL: Tutorial
The Informix® Guide to SQL: Tutorial shows how to use basic and advanced structured query language (SQL) to access and manipulate the data in your databases. It discusses the data manipulation language (DML) statements as well as triggers and stored procedure language (SPL) routines, which DML statements often use.
Functions in SELECT statements
Functions in SELECT statements
Other functions
The HEX function

SQL programming
You can use the HCL Informix® implementation of the SQL language to develop applications for Informix database servers.
- Guide to SQL: Syntax
- Guide to SQL: Reference
  The Informix® Guide to SQL: Reference contains the reference information for the system catalog tables, data types, and environment variables of the HCL Informix dialect of the SQL language, as implemented in HCL Informix. These topics also include information about the stores_demo, sales_demo, and superstore_demo databases that are included with HCL Informix.
- Guide to SQL: Tutorial
  The Informix® Guide to SQL: Tutorial shows how to use basic and advanced structured query language (SQL) to access and manipulate the data in your databases. It discusses the data manipulation language (DML) statements as well as triggers and stored procedure language (SPL) routines, which DML statements often use.

The HEX function

In the following query, the HEX function returns the hexadecimal format of two columns in the customer table, as the result shows.

Figure 1. Query

SELECT HEX (customer_num) hexnum, HEX (zipcode) hexzip 
   FROM customer;

Figure 2. Query result

hexnum     hexzip

0x00000065 0x00016F86
0x00000066 0x00016FA5
0x00000067 0x0001705F
0x00000068 0x00016F4A
0x00000069 0x00016F46
0x0000006A 0x00016F6F
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