mark For Deletion
Call this method to mark a unit (table, column) to be deleted. It can be called from any thread. The effective deletion is done by calling project.refresh() or schema.refresh() on JavaFX GUI thread.
Call this method to mark a unit (table, column) to be deleted. It can be called from any thread. The effective deletion is done by calling project.refresh() or schema.refresh() on JavaFX GUI thread.