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Manage SQL Server Replication simply with SSW SQL Total Compare

SQL Server replication is a fantastic piece of functionality but can lead to a database administration nightmare. Data conflicts are a common occurrence and require constant attention. SSW SQL Total Compare reports the differences between the Publisher and Subscribers databases and makes the changes necessary to fully synchronize the data.

SSW Total Compare User Guide 1. Prerequisites 2. SSW Total Compare User Guide

Prerequisites

SSW Total Compare User Guide

1. Install SSW SQL Total Compare on the server on which the subscriber database resides and merge replication was configured.
2. Specify the Publisher database and the subscriber database


Figure: Specify the Publisher database and the subscriber database

3. Create the Stored Procedures and Linked Servers.

 
Figure: Create the Stored Procedures and Linked Servers

4. Compare the databases. This process may take some time depending on the size and quantity of tables in the databases. The tables with data not in sync will then be displayed. Note: A period (.) is used to indicate a NULL value in SSW SQL Total Compare.



Figure: Compare the databases

5. Determine the best course of action to resolve conflicts:
   • Add missing records. Any missing records detected in your tables from either the Publisher or the Subscriber database servers can be added by selecting the records required and clicking on the 'Update' button. Then synchronize the data.
   • Modifying records that are different. Examine the data from the two database servers and select the one which has the correct data and click 'Update'. (This actions the sp_dummyupdate Stored Procedure). Then synchronize the data.
   • Deleting records that are no longer required. Select the record you wish to delete from the list of records. Then click on the 'Delete' button which will display the form. There are two queries options. The first query will select the record and display its details in the results section. Once you are sure that this is the record you wish to delete you can delete the record by running the second query.

   
   Figure: Determine the best course of action to resolve conflicts

6. Synchronizing the Data. SSW SQL Total Compare has this functionality inbuilt utilising the Synchronize and Conflict Viewer tools. Click on the 'Synchronize' button.

 
Figure: Synchronizing the Data

7. Select one of the four options:
• Options - configure the path and parameters for the Synchronize and Conflict Viewer tools.
• Synchronise - runs the Synchronize tool.
• Conflict Viewer - runs the Conflict Viewer tool.
• Close - closes the form.
8. Check the options page for the correct configuration of paths and parameters for the Synchronize and Conflict Viewer tools. Specify the path to the Conflict Viewer tool, the Server Name and Database Name of the first database (or publisher) and the path to the Synchronize tool. Note: If you do not have these tools on your system, do not worry as the tools have been installed in the Install Directory of SSW SQL Total Compare.


Figure: Check the options page

9. Click on the 'Synchronize' button on the displayed form.
10. Resolve conflicts using the Conflict Viewer. You will be notified in the Synchronize tool if there are any conflicts. If there are conflicts, click on the 'View' button and read the description for each conflict and choose either to take the winning change or select the losing change to keep its data.
11. Compare the data again to make sure that the data has been correctly synchronised.
12. Finished - thanks for using SSW Total Compare