If there is an error in your syntax, or a table you don’t have access to, you find out immediately. You press the button, specify a database connection to use, then the base query for the view fires. The other great new feature is the “Test Query” button on the view property dialog. This is nice because now I do not have to open the view definition to see which tables the view is pulling from. One nice new feature with the parsed views is that if the underlying tables in the view are part of the same design file (hopefully you did not drop those), then the view object on your diagram will now list those tables below all the columns. It runs very fast and basically reads the SQL for your views then parses it out to show up properly in the diagram. You can find that off the right mouse menu in any diagram with views. To get the best out of the new version you need to run a one time utility labeled “Parse Older Style Views”.
Free online data modeling tool upgrade#
So now when you open (or define) a view and press the “query” property button you get drag and drop interface to build the view and a nice visual diagram.Īnd the best part is when you upgrade your existing models from previous versions, the old views automatically get diagrammed. The newest version of SDDM (version 3.1) has added in a visual editor that shows you a diagram of the tables, columns, and joins. The previous version had a decent declarative approach that allowed you to specify tables, columns, and joins, but you could not really “see” the implied data model. The one I like the most, so far, is the visual editor they added for defining views. I am even happier now with the new features they have added. I was a very happy camper when Oracle came out with this new data modeling tool. I loved Oracle Designer and got quite good at that, but once shops stopped buying and using Designer (and Oracle pretty much sun-setted the tool), I suffered for a few years using other tools. I think it is a great tool (even if it was not free). For conceptual, logical, and physical data models. For forward engineering and reverse engineering. I have used SDDM for both Oracle and SQL Server.
Free online data modeling tool download#
Oracle just released the latest and greatest version of SQL Developer Data Modeler (SDDM) and it is free to the world to not only download but to use in your production environment to develop all your models.Īs many of you know, I have been using this tool for several years now and have mentioned it many times on various LinkedIn forums (just search for me and check out my activity).
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