You can create several contexts for the same database or file connection and select specific context parameters with which you want to execute an analysis on the database or the file connection.
For example, there might be various testing stages you want to perform and validate before an analysis is ready to go for production use.
Before you begin
You have selected the Profiling perspective of Talend Studio.
- Follow the procedures outlined in Exporting a connection as a context.
In the last step in the Create/Reuse a context group
wizard, click the Configure Contexts... icon.
In the Configure Contexts dialog box, click
Enter a name for the new context, and then click OK to
close the dialog box.
The defined context for the current connection are listed in dialog box.
- If required, click New... again and proceed as above to create as many contexts as needed.
Click OK to close the dialog box and then
Finish to close the Create/Reuse a context
In the Database Connection wizard, all connection settings are set as context and are read-only.In the file connection wizard, all connection settings are set as context and are read-only.
Click Finish to close the wizard.
The Choose context dialog box is displayed.
If required, change the context for the current database or file connection,
and then click OK to close the dialog box.
A message is displayed prompting you to propagate the modifications to all the Jobs and analyses that use the connection, if any.
- Click Yes to confirm the operation and close the message and the dialog box.
The selected connection is exported as a context and listed as a context item under the Contexts node in the Integration perspective of your Talend Studio.
For detailed information on centralizing the contexts and variables to be used in data integration Jobs or data quality analyses, see Centralizing database metadata.