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HCL Contact Optimization User's Guide
HCL® Contact Optimization is a web-based extension of HCL Campaign that allows you to determine the optimal contact strategy for each customer. You can optimize over time, looking across the proposed offers and channels across multiple marketing campaigns.
Administering Contact Optimization
There are many aspects of HCL® Contact Optimization you can configure to improve performance.
Configuring Contact Optimization for a multi-locale environment
The multi-locale feature requires some specific settings in your databases.

Configuring Contact Optimization for a multi-locale environment

The multi-locale feature requires some specific settings in your databases.

Contact Optimization supports multiple languages and locales for a single installation. For more information about the multi-locale feature, see the HCL® Campaign Installation Guide.

If you are using an Oracle database: When configuring your Contact Optimization server settings, add the following to the Contact Optimization server file:
```
set NLS_LANG=AMERICAN_AMERICA.UTF8
```
When configuring your database tables, run one of the following scripts from the Campaign/ddl/unicode directory to create system tables:
- aco_systab_sqsvr.sql for Microsoft™ SQL Server databases
- aco_systab_db2.sql for HCL® DB2® Server databases
- aco_systab_ora.sql for Oracle databases