SSAS - 在运行基于XMLA的作业时删除CUBE数据

Question

我有两个内部使用几个常见尺寸的CUBE。 CUBE本身具有基于数据年份的分区。另外，我有以下两个作业设置来刷新每个CUBE的最新年份分区。

问题：第一个作业完成并运行第二个作业后，我会看到第一个CUBE的数据被删除。

作业＃1 XMLA脚本

<Batch xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
  <Parallel>
    <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200">
      <Object>
        <DatabaseID>MyDatabase</DatabaseID>
        <DimensionID>Dimension1</DimensionID>
      </Object>
      <Type>ProcessUpdate</Type>
      <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
    </Process>
    <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200">
      <Object>
        <DatabaseID>MyDatabase</DatabaseID>
        <DimensionID>Dimension2</DimensionID>
      </Object>
      <Type>ProcessUpdate</Type>
      <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
    </Process>
    <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200">
      <Object>
        <DatabaseID>MyDatabase</DatabaseID>
        <DimensionID>Dimension3</DimensionID>
      </Object>
      <Type>ProcessUpdate</Type>
      <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
    </Process>

    <Parallel>
      <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200" xmlns:ddl300="http://schemas.microsoft.com/analysisservices/2011/engine/300" xmlns:ddl300_300="http://schemas.microsoft.com/analysisservices/2011/engine/300/300" xmlns:ddl400="http://schemas.microsoft.com/analysisservices/2012/engine/400" xmlns:ddl400_400="http://schemas.microsoft.com/analysisservices/2012/engine/400/400">
          <Object>
              <DatabaseID>MyDatabase</DatabaseID>
              <CubeID>MyCUBE1</CubeID>
              <MeasureGroupID>MyMeasureGroup1</MeasureGroupID>
              <PartitionID>2016 Partition</PartitionID>              
          </Object>
          <Type>ProcessFull</Type>
          <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
      </Process>
  </Parallel>
</Batch>

作业＃2 XMLA脚本

<Batch xmlns="http://schemas.microsoft.com/analysisservices/2003/engine">
  <Parallel>
    <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200">
      <Object>
        <DatabaseID>MyDatabase</DatabaseID>
        <DimensionID>Dimension1</DimensionID>
      </Object>
      <Type>ProcessUpdate</Type>
      <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
    </Process>
    <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200">
      <Object>
        <DatabaseID>MyDatabase</DatabaseID>
        <DimensionID>Dimension2</DimensionID>
      </Object>
      <Type>ProcessUpdate</Type>
      <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
    </Process>

    <Parallel>
      <Process xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ddl2="http://schemas.microsoft.com/analysisservices/2003/engine/2" xmlns:ddl2_2="http://schemas.microsoft.com/analysisservices/2003/engine/2/2" xmlns:ddl100_100="http://schemas.microsoft.com/analysisservices/2008/engine/100/100" xmlns:ddl200="http://schemas.microsoft.com/analysisservices/2010/engine/200" xmlns:ddl200_200="http://schemas.microsoft.com/analysisservices/2010/engine/200/200" xmlns:ddl300="http://schemas.microsoft.com/analysisservices/2011/engine/300" xmlns:ddl300_300="http://schemas.microsoft.com/analysisservices/2011/engine/300/300" xmlns:ddl400="http://schemas.microsoft.com/analysisservices/2012/engine/400" xmlns:ddl400_400="http://schemas.microsoft.com/analysisservices/2012/engine/400/400">
          <Object>
              <DatabaseID>MyDatabase</DatabaseID>
              <CubeID>MyCUBE2</CubeID>
              <MeasureGroupID>MyMeasureGroup2</MeasureGroupID>
              <PartitionID>2016 Partition</PartitionID>              
          </Object>
          <Type>ProcessFull</Type>
          <WriteBackTableCreation>UseExisting</WriteBackTableCreation>
      </Process>
  </Parallel>
</Batch>

有人可以让我知道我缺少什么配置，以便不会删除数据吗？我可以重新安排工作以避免这种情况吗？