Create a Mart Fact

A Model Object of type Mart Fact can be created in the Gold Layer.

What is a Mart Fact

In Dimensional modeling, a Mart Fact contains measures and relationships to Mart Dimensions (foreign keys). Mart Fact data must not be identified by business keys. 

Creation steps

There are two possibilities to create a Mart Fact Model Object:

• Create a Model Object with the Wizard:
  • Recommended possibility
  • Use the Wizard Create Mart Fact from a Silver Model Object that contains the following steps:
    • Create Model Object
    • Create Dataflow
    • Create Multiple Relations
    • Create Relations with Role
    • Map Foreign Key Terms
    • Map selected Terms
    • Add to View
• Create a Model Object manually:
  • Not recommended possibility
  • Create a Model Object of type Mart Fact in the Gold Layer

• • Create a Dataflow Set 
  • Add a Model Object to the Dataflow Set: add the Silver Model Object
  • Add Relationships to Mart Dimensions
  • Auto-map the Source Terms: select the auto-map mode and auto-map all the Source Terms containing measures in the Source Model Object

Properties

A Mart Fact Model Object can be configured through the following Properties: 

• Implementation Type

Default Terms

A Mart Fact Model Object will include the following Default Terms:  

• BG_SourceSystem
• BG_LoadTimestamp
• BG_EffectiveTimestamp
• BG_DataflowName
• BG_ID