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1. Click the Discover Data Sources icon at the top of the Data Source Explorer view.
   
2. In the Discover Data Sources wizard, select the locations to search for data sources, and then click Next.
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3. Select the data sources you want to add to the DB Change Manager environment, and then click Finish.
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   The new data source or sources appear in the Data Source Explorer.

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   An alternative to using the Discover Data Sources wizard is to click File > New Data Source and set its connection properties.

4. In the Data Source Explorer, right-click on a data source and select Properties to work with connection properties for the datasource.
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Creating a data comparison job

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1. Click File > New > Data Comparison Job.
2. Use the Select a Project dialog’s Create New button to open a dialog that lets you provide a name and location for a project for this exercise. Select the new project from the Select a Project dialog.
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3. In the Overview tab, type the name of the job in the Name field.
4. Click and drag a data source from Data Source Explorer to the Data Comparison Source box.
   By default, all databases in the data source are selected. If you prefer, use the menu to specify a single database.
5. Click and drag a data source from Data Source Explorer to the Data Comparison Target.
6. Click File > Save or type Ctrl+S to save the job.

To customize the job in the Options tab

1. Click the Options tab.
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2. In the Options tab, review the various settings available to you. In particular, select or de- select the check boxes in the Mapping Options section.
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To refine comparisons in the Mapping tab

• Click the Mapping tab.

• Select the databases you want to compare; usually they have the same or a similar name.
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  Use the All and None commands at the bottom of the pane to select all or none of the databases.

• By default, DB Change Manager does not show the table mappings. To see them, select the Inspect: Checked option on the right side of the Database Mapping pane. The progress bar displays in the lower right corner. The Table Mapping pane shows how and whether the tables map to each other in the two databases.
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  The Data Comparison Job Editor automatically maps and selects databases and tables between the source and target when it detects correspondences. It indicates when there is no mapping and displays information when it cannot make a match.
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• Select or de-select the check box next to each mapping, as needed. You can adjust incomplete mappings before running the job. Click undefined items in the Target data source column and use the drop down menu to map them.

To specify notifiers in the Notification tab

1. Click the Notification tab.
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2. In the Notification tab, select where DB Change Manager sends notifications when this job is run.

To run the job and see the results

1. Click the Run Job icon located in the upper-right side of the window.
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   The Results tab displays the job progress bar and the results, when available.
2. Click View in the Results column to view information for an individual pair.
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3. In the Database Results tab, review the detailed results for the tables and rows of the selected databases.