What is Erwin? Erwin is a Data Modeling and Database Design Application Case Tool working on Windows. CA ERwin DM creates a blueprint for the enterprises to work on a design solution. ERwin Data ...

Recently, Guangzhou Pinnacle Software Co., Ltd. applied for a patent titled "A Method and System for Optimizing PD Separation of Large Models Based on GPU Virtualization," which is set to be published ...

The end goal of database design is to be able to transform a logical data model into an actual physical database. A logical data model is required before you can even begin to design a physical ...

The physical data model contains all the specifics about how the logical model will be implemented. This model format includes table names, column names, types, lengths, primary keys, foreign keys ...

Under usual circumstances, the one-to-many or many-to-many relationship, alone, drives the pattern used within the database model. Certainly, the logical database model should represent the proper ...

One of the most important steps in desiging a database is establishing the data model. Part one of a two-part article describes how to create a logical model.

Sybase Inc.'s goals for PowerDesigner are nothing if not ambitious: a single modeling tool for tracking data definitions everywhere in an organization -- and Sybase doesn't just mean databases when it ...