Properties
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      Implementation Type (Model Object)

      Description

      The Property named Implementation Type is available when you edit a Model Object. 

      It defines the persistence of a Model Object.

      Format

      The Implementation Type is a List of values.

      The possible values are:

      • Virtual:
        • Only a View will be generated
        • The data are not persistent
      • Cached:
        • A View and a Table will be generated
        • The table will be loaded with a truncate, then an insert
        • The data are persistent according to one load only
      • Permanent:
        • A View and a Table will be generated
        • The table will be loaded with a merge (insert / update statements)
        • The data are persistent forever

      Example:

      Default and possible values


      The default and possible values are different according to the Model Object Type:

      Model Object Type Default Value Possible values
      Stage Cached Cached, Virtual
      Core Composite Virtual Cached, Virtual
      Entity Permanent Permanent
      Fact Permanent Permanent
      Raw Vault Composite Cached Cached, Virtual
      Hub Permanent Permanent
      Satellite Permanent Permanent
      Link Permanent Permanent
      Link Satellite Permanent Permanent
      Multi-Active Satellite Permanent Permanent
      Same as Link Permanent Permanent
      Hierarchical Link Permanent Permanent
      Effectivity Satellite Permanent Permanent
      Record Tracking Satellite Permanent Permanent
      Effectivity Link Satellite Permanent Permanent
      Record Tracking Link Satellite Permanent Permanent
      Non-Historized Link Satellite Permanent Permanent
      PIT Permanent Permanent
      Reference Table Permanent Permanent
      Driving Key Link Permanent Permanent
      Business Vault Composite Virtual Cached, Virtual
      Business Hub Permanent Permanent
      Business Satellite Permanent Permanent
      Business Link Permanent Permanent
      Business Link Satellite Permanent Permanent
      Same as Business Link Permanent Permanent
      Hierarchical Business Link Permanent Permanent
      Effectivity Business Satellite Permanent Permanent
      Record Tracking Business Link Satellite Permanent Permanent
      Effectivity Business Link Satellite Permanent Permanent
      Non-Historized Business Link Satellite Permanent Permanent
      Business PIT Permanent Permanent
      Mart Composite Virtual Cached, Virtual
      Mart Dimension Permanent Permanent
      Mart Fact Permanent Permanent

      Impact

      The value of Implementation Type is used during the generation process to know which target objects should be created for a Model Object.

      If you forget to set the proper persistence for a Model Object and are already deployed, please delete the target database before redeploying.