SQL Compare 14

Mapping owners

When you create a comparison project and you have selected your data sources, SQL Compare automatically maps objects with the same name and schema for you.

If you want to compare objects with the same name, but those objects belong to different schemas, you can map the schemas as required. For example, if you want to compare objects in a test database that are owned by sales with objects in a production database that are owned by support, you can map sales to support.

  • If you map the schemas sales and support, this enables SQL Compare to compare the stored procedures [sales].[editCustomerDetails] and [support].[editCustomerDetails]. SQL Compare can then rename other objects that are referenced by the stored procedure. For example, if the [support].[editCustomerDetails] stored procedure references the table [support].[customerDetails], the stored procedure is updated to reference the table [sales].[customerDetails]. The same applies to functions, DML triggers, DDL triggers, views, defaults, and rules.
  • If you are comparing stored procedures, functions, DML triggers, views, defaults, or rules that contain WITH elements, they are flagged as different unless the Ignore WITH element order option is selected in your comparison project.
  • You cannot perform the comparison if an existing schema is not mapped. For example, if you unmap the schemas Sales and Support, and then map Support to Sales, the comparison will fail if you do not also map Sales to another schema.

Editing the owner mappings

The Owner mapping tab of the Project Configuration dialog box enables you to edit mappings:

The upper pane displays a list of schemas, database roles, and database users that SQL Compare has automatically mapped for you; the lower pane displays a list of schemas, database roles, and database users that are not mapped.

  • To undo a mapping, in the upper pane, select the mapping, and click  Unmap.
  • To create a mapping, in the lower pane, select item A from the source, then select item B from the target, and click  Map.
    Next, select item B from the source, then select item A from the target, and click  Map.
    For example, to map sales to support, you create a mapping for sales to support and then you create a mapping for support to sales.

To reset the mappings to the defaults, click Restore defaults.

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