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SQL programmingYou can use the HCL OneDB™ implementation of the SQL language to develop applications for HCL OneDB™ database servers.
Guide to SQL: ReferenceThe HCL OneDB™ Guide to SQL: Reference contains the reference information for the system catalog tables, data types, and environment variables of the HCL OneDB™ dialect of the SQL language, as implemented in HCL OneDB™. These topics also include information about the stores_demo, sales_demo, and superstore_demo databases that are included with HCL OneDB™.
Environment variablesVarious environment variables affect the functionality of your HCL OneDB™ products. You can set environment variables that identify your terminal, specify the location of your software and define other parameters.
Environment variables in HCL OneDB™ productsThe topics that follow discuss (in alphabetic order) environment variables that HCL OneDB™ database server products and their utilities use.
INFORMIXDIR environment variable

INFORMIXDIR environment variable

The INFORMIXDIR environment variable specifies the directory that contains the subdirectories in which your product files are installed. You must always set INFORMIXDIR. Verify that INFORMIXDIR is set to the full pathname of the directory in which you installed your database server. If you have multiple versions of a database server, set INFORMIXDIR to the appropriate directory name for the version that you want to access. For information about when to set INFORMIXDIR, see your HCL OneDB™ Installation Guide.

pathname: is the directory path where the product files are installed.

To set INFORMIXDIR to usr/informix/, for example, as the installation directory, enter the following command:

setenv INFORMIXDIR /usr/informix