# Updating the Map

To start the migration process, you need to change the output representation of the Map.

## Procedure

1. Double-click tHMap to display the Input and Output tables.
2. Replace each DatabaseInsert or DatabaseUpdate function with a WriteURL function:

   ![](https://help.qlik.com/talend/en-US/components/7.3/Resources/images/tdm_migrateiodb.png)