Cleaning up DB2

These instructions assume that you are using DB2 Universal Database and guide you through the following tasks:

Remove the database called RETAILDB that is used by the Graphical Data Mapping Loyalty Data Warehousing sample
Remove the JDBC configurable service RETAILDB for the database

To remove the database:

Note: executing these commands will cause the prerequisite Graphical Data Mapping Retail sample to stop working.

In a DB2 command window, enter the following command to ensure that DB2 is started:
```
db2start
```
In a DB2 command window, enter the following command:
```
db2 DROP DATABASE RETAILDB
```