Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.
Insert excerpt_Banners_BannersnameERDnopaneltrue

This page is for anyone using an ERD to define a data structure. It explains the properties for relationships. 

Overview

Relationships are part of ERDs; see Understanding ERDs and Adding Content to an ERD. They represent the connection between a primary key attribute in one stream and an attribute in another stream. For example, the relationship line in the screenshot below shows that Teacher.Department contains the same data as the primary key SchoolDept.UID.

A stream's unique identifier is its primary key, and where it occurs in another stream, it is a foreign key.

The screenshot above shows that a relationship line has a one termination at the primary key and an arrow pointing to the foreign key. This line represents the 1 and many ends of the relationship.

PhixFlow automatically sets the properties for a relationship, except the description. To add a relationship description, click on the relationship line to open its properties. Relationships are not listed in the repository. 

Properties

Insert excerpt
_parent
_parent
nopaneltrue

Basic Settings

The following settings are read-only. they are set automatically from the ERD.

FieldDescription
Relationship NameThe name of the relationship
From TableThe name of the source table for the relationship.
Primary Key AttributeThe source attribute.
To TableThe name of the destination table for the relationship.
Foreign Key AttributeThe destination attribute.

Insert excerpt
_description
_description
nopaneltrue

Insert excerpt
_audit
_audit
nopaneltrue