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Introduction to data models

Overview

What is a data model?

The first step towards managing data in TIBCO EBX® is to develop a data model. The purpose of a data model is to provide the detailed structural definition of the data that will be managed in the repository, in terms of organization, data types, and semantic relationships.

In order to implement a data model in the repository, you will first create a new data model, then define the details of the structure of its component table, field, and group elements, as well as their behavior and properties. When you have completed the entry or import of your data model structure in the repository, you will publish it to make it available for use by datasets. Once you have a publication of your data model, you and other users can create datasets based upon it to contain the data that is managed by the EBX® repository.

Basic concepts used in data modeling

A basic understanding of the following terms is necessary to proceed with the creation of data models:

Using the Data Models area user interface

Data models can be created, edited or imported, and published in the Data Models area of the user interface. The EBX® data model assistant (DMA) facilitates the development of data models.

Note

This area is available only to authorized users in the 'Advanced perspective'.

/userdatamodel_area.png

The navigation pane is organized into the following sections:

Configuration

The technical configuration of the data model.

        Global properties

Defines the global properties of the data model.

        Included data models

Defines the data models included in the current model. All types defined in included data models can be reused in the current model.

        Add-ons

Specifies which add-ons are used by the data model. These add-ons will have the capacity to enrich the current data model after the publication by adding properties and constraints to the elements of the data model.

        Data services

Specifies the WSDL operations' suffixes that allow to refer to a table in the data service operations using a unique name instead of its path.

Data structure

The structure of the data model. Defines the relationship between the elements of the data model and provides access to the definition of each element.

Simple data types

Simple reusable types defined in the current data model.

Complex data types

Complex reusable types defined in the current data model.

Included simple data types

Simple reusable types defined in an included external data model.

Included complex data types

Complex reusable types defined in an included external data model.

See also

Data model element icons

/ebx_attribute.png  field

/ebx_pkey.png  primary key

/ebx_fkey.png  foreign key

/ebx_table.png  table

/ebx_group.png  group

Related concepts

/ebx_search.png User guide table of contents

Documentation > User Guide > Data models