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Embarcadero Redesigns ER Studio


Data modeling tool sports new GUI, tighter database integrations

By Alan Zeichick
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October 1, 2002 —  Embarcadero Technologies Inc. is taking aim at Sybase's PowerDesigner and Computer Associates' AllFusion Data Modeler with the latest versions of its ER Studio data modeling application and ER Studio Repository, both due to be generally available on Oct. 1. The focus of the new release is on presenting a new graphical design package, as well as tighter integration between ER Studio 5.5 and major relational databases.

Greg Keller, Embarcadero's director of design and modeling solutions, said that he's focusing on "trying to improve the effectiveness of corporate data. As enterprises go through mergers and acquisitions, bring new applications online [and] buy new apps off the shelf, products like ER Studio help them capture more coherent information about these applications, either physically or conceptually."

Keller claimed that PowerDesigner and CA's product, formerly known as Erwin, are "formidable products and effective for folks to use, but clearly we are a much more momentum-driven product that's demonstrably easier to use." The basis for his claim is a usability study that Embarcadero (www.embarcadero.com) commissioned from Usability Sciences Corp., comparing ER Studio against those competitors.

The biggest new feature of ER Studio 5.5, which runs on Windows workstations, is its new graphical modeler, said Keller. "We literally forklifted out the entire diagramming package, and put in something that's very aggressive. We wanted to immediately cause an impact as to how quickly developers could navigate and display models. This was one of the biggest cries of our user base."

Also, he said, there were numerous database updates, for Oracle, SQL Server and DB2. "We had great support for SQL Server 2000, but we went deeper with their more advanced features," he explained. "For Oracle, we implemented the entire series of Oracle9i complex data types, the complex system and packages, and included minor objects, like synonyms."

The Repository is being updated to version 2.0, Keller said. "We attacked the space of performance and scalability. We switched to a native DBMS system; all of the native client connectivity tools are what communicate between ER Studio and the repository database. Before, we used ODBC. We also added an exclusive check-out option," he said, which allows developers to block access to a model, even to other developers with the same security level, during specific phases of the design process.

ER Studio is priced at $2,895 per seat, and the repository is offered for a flat license fee of $10,000 per repository server, without a per-seat cost.




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