Erd diagram tool oracle


















Dataedo enables you to create database documentation of your existing relational databases. It reads your schema and lets you easily describe each data element tables and columns and other database objects like triggers, stored procedures, etc. Navicat Data Modeler is a database design tool which helps you build conceptual, logical and physical data models.

SchemaSpy is a Java-based free and open source tool that generates interactive entity-relationship diagrams to HTML from database schema metadata analysis. It integrates entity relationship design, front-end you can run queries , and SQL exporting. Free multi-platform database tool for developers, SQL programmers, database administrators and analysts.

What makes this tool so great, is the extensive amount of shapes and elements it provides in its library. These shapes are useful when making all kinds of diagrams like ER diagrams. Furthermore, this ER diagram tool can keep your diagrams private or share it with anyone and secure it with a password in case the diagram contains confidential content.

Another diagraming tool that can help you create ER diagrams is Gliffy. You can also track the changes of the diagram in conjunction with reverting back to your desired output. Besides collaboration and tracking changes, this ER diagram maker enables you to import images and as well as export diagrams. Visual Paradigm is also a good option for users who are looking for free ER modeling creator.

With it, you can access hundreds of templates including ERDs allowing you to instantly create a structure of your database. In addition, you can create as many diagrams are required without even bothering about expiration. On top of that, exporting diagrams to images with no watermark could be done through this ER diagram maker.

Next on the list is Draw. This is a web-based tool that allows you to create entity relationship diagrams without registration required. At first, the tool asks the user to specify the location where to save the diagrams. You may keep your files on Google Drive, Dropbox, or on your computer hard drive.

Another key thing to remember about this free ER diagram tool is that you can choose your preferred language when using the tool. Over and above, you may continue editing diagrams to integrated productivity programs like Jira and Confluence.

By the default, diagram includes all table details - columns, indexes and keys. If you will hide elements in the object you will see unnecessary empty space in entity box. You can resize box manually or by choosing Resize to Visible from menu under right click.

You can also define details shown on diagram globally. Right click blank diagram space, chose View Details and then choose one of the options in submenu. You can choose which extra elements you want to show on diagram. There is no easy way to simply hide element from your diagram. You can only delete objects from your design but this means that you will not see it in documentation or you will not be able to add describe it.

Also another why to achieve hiding object is to create subview but it is something for another tutorial. Sometimes you would like to add some information about object, relation or anything else on diagram. You can do that using notes. To add a note click New note from the top menu and click on diagram in a location where you want to place it. To change text of a note just double click on note or right click and select Properties.

Window to change text of a note is a simple text-area field.



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