Database modeling tools

  • I have built a database and wanted to verify that it has no obvious errors in the design.

    previously i have used visio 2003 to reverse engineer it and get it to find any errors.

    However, visio 2003 has issues reading sql 2005 database. While to upgrade to visio 2007 requires different versions visual studio and once you have visual studio 2008 then no version of visio is compatible 100%

    Is there any tool out there that I could use to verify my database model. Is there something in Visual studio 2008 or some add on or free product that will pick up errors in my model ..eg no primary key, incompatible datatypes etc etc.

    regards

    Erick

  • So far, I have tried many online tools. However, I will list you some of the tools that helped me a lot.

    SQLDbm


    SQLDBM offers you an easy, convenient way to design your database absolutely anywhere on any browser, working away without need for any extra database engine or database modelling tools or apps. Use SQLDBM to design and manage both large and small databases and data models on the fly. All while incorporating any needed database rules and objects such as database keys, schemas, indexes, column constraints and relationships.

    Price: Free

    AquaData Studio ER Modeler

    A free 14-day evaluation copy can be downloaded. The purchase price includes 12-month support. After the first year, support can purchased for 35% of the original license price.

    "Discounted licences are available for qualified Academic users and free licenses are available for qualified Open Source Software (OSS) Developers."

    Price: $400

    Dezign

    A recent upgrade offers significantly improved features. Supports Forward and Reverse Engineering for about 20 different Databases.

    Price: Offers a Free download or starts at $259 to buy.

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