Posts

Reusing ERD Entity in Business Process Diagram

With Logizian, you are allowed to re-use ERD entity in business process diagram. In this page, you will learn how to re-use entity in business process diagram by dragging and dropping.

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Pin Specification Window in ERD

By pinning, users can read those specification window of various model elements consecutively, no longer have to close the previous specification window and open new specification dialog box repeatedly. Reading the specification window of different entities in ERD now becomes an easy task.

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Database Design with Schema

Since VP-UML supports schema, users can make use of model to manage database. Users can develop ERDs under models, thereby, entities in different models can share the same name, but different schema. This page will demonstrate how to create model, how to create ERD under model and then how to apply schema.

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Copy Models across Projects

Users can copy and paste models not only between diagrams, but also across projects in VP-UML. This article is going to show you how to copy and paste model across projects within the same application.

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Using GUID Column in ERD

GUID (Global Unique Identifier) is a special type of identifier in Microsoft SQL Server, which commonly use for generate unique value for key columns. You can specify column as GUID through the Entity Relationship Diagram (ERD). The steps for specify GUID column is quite simple:

  1. Specify MS SQL Server as default database server of the project
  2. Specify the datatype of primary key column as uniqueidentifier
  3. Change the ID Generator of the primary key column as GUID

The following flash movie demonstrate how to specify the primary key column as GUID.