This interface is displayed if you click Tools, then Diff Wizard. You can find differences between objects of the same type and name (for example, tables named CUSTOMERS) in two different schemas, and optionally update the objects in one schema (destination) to reflect differences in the other schema (source).
Use the Source/Destination pane to specify the source and destination database connections. Database objects in the schemas associated with these connections will be compared. The schemas for the source and destination connections can be in the same database or different databases.
Source/Destination pane
Source Connection: Database connection for the source schema (the schema in which selected objects are to be compared with objects in the destination schema).
Destination Connection: Database connection for the database that contains the destination schema (the schema containing one or more objects of the same type and name as those selected in the source schema). The selected connection can be the same as, or different from, the connection for the source schema.
Diff Objects: Check the types of objects that you want to be compared in the source and destination connections. You can click Toggle All to check and uncheck all individual types. You must select at least one object type.
Proceed to Summary: If this option is checked, clicking Next takes you directly to the Diff Summary pane.
Specify Objects pane
You can limit the types or objects, and the objects within selected types, for the comparison operation.
Object Type: Select All for all object types, or a specific type of object.
Go: Click Go to display a list of objects that meet the selection criteria for the selected connection. Use the arrow keys to move selected objects or all objects from the available objects box to the selected objects box.
Diff Summary pane
You can review the information that will be used to compare the source and destination connections, according to your specifications.
To go back and make any changes, click Back as needed.
To perform the comparison, click Finish. The results are displayed in a Diff Report window, where you can see the DDL statements to update the objects in the destination schema to reflect differences in the source schema. To create a file containing these DDL statements, click the Generate Script icon in that window. To toggle the display between all objects and only those objects with differences, click Show Equal Objects.
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