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Both Synchronize options compare objects in your model with the current definition of those objects in the database. They both use database connection details that were recorded when the objects were originally imported.
"Synchronize Model with Data Dictionary" should be used when you are intending to update objects in your model from the current definition of those objects in the database.
In this case you can select which differences you wish to apply to your model, and when you select the Merge button these changes will be made to the model.
"Synchronize Data Dictionary with Model" should be used when you intend to generate DDL to update the database objects so that they correspond to the current definition in the model.
Again, you can select which differences are relevant, and the DDL Preview button will generate a DDL file that can be used to make these changes to the database.
The "Sync New Objects" button is available for the "Synchronize Data Dictionary with Model" when the model contains new objects that have never been imported. Using the "Sync New Objects" button will cause these new objects to be associated with the database connection being used for the Synchronize operation, so that any subsequent Synchronize operation will treat these objects as if they had been imported use this database connection.
thanks for this description, Sync New Objects seems to be not mentioned in Help File.
I am using this Compare Model very frequently, it's a great improvement compared to old Designer.
Pressing the button "Sync New Objects" keeps the window open, this is very comfortable.
Pressing the button "Merge" automatically closes the window, this is very uncomfortable
because there might be other differences that need to be handled
and re-opening the window is a little bit time consuming.
Is it intended behavior to close the window directly after every merge operation?
There seems to be a small bug when using Options / Properties Filter.
I am excluding the following 2 filters.
Columns / Data Type Kind
Foreign Keys / Delete Rule
The first filter is saved and each time I start a new comparision, this filter is excluded as expected.
But the second filter is not saved and need to be excluded again and again every time.
Is this bug already known?