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 Value


      The default value is different according to the Model Object Type:

      Model Object Type Default Value
      Stage Cached
      Raw Vault Composite Cached
      Hub Permanent
      Satellite Permanent
      Link Permanent
      Link Satellite Permanent
      Multi-Active Satellite Cached
      Same as Link Permanent
      Hierarchical Link Permanent
      Effectivity Satellite Permanent
      Record Tracking Satellite Permanent
      Effectivity Link Satellite Permanent
      Record Tracking Link Satellite Permanent
      Non-Historized Link Satellite Permanent
      PIT Permanent
      Reference Table Permanent
      Driving Key Link Permanent
      Business Vault Composite Virtual
      Business Hub Permanent
      Business Satellite Permanent
      Business Link Permanent
      Business Link Satellite Permanent
      Same as Business Link Permanent
      Hierarchical Business Link Permanent
      Effectivity Business Satellite Permanent
      Record Tracking Business Link Satellite Permanent
      Effectivity Business Link Satellite Permanent
      Non-Historized Business Link Satellite Permanent
      Business PIT Permanent
      Mart Composite Virtual
      Mart Dimension 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, you should delete the target database before redeploying.