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Daanse Tutorial - Dimension Optimisation With Level Attribute ​

A basic OLAP schema with two Dimension Connectors with level attribute Level attribute in DimensionConnector uses for optimize sql inner join Level attribute is name of the level to join to If not specified joins to the lowest level of the dimension

Database Schema ​

The Database Schema contains the Fact table with two columns: DIM_KEY and VALUE. The DATE_KEY column is used as the discriminator in the Hierarchy definitions.

  • H1_L1 table with two columns: KEY and NAME
  • HX_L2 table with 3 columns: KEY, NAME, H1L1_KEY, H2L1_KEY
xml
<relational:Schema xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmi:id="_schema">
  <ownedElement xsi:type="relational:Table" xmi:id="_table_fact" name="Fact">
    <feature xsi:type="relational:Column" xmi:id="_column_fact_dim_key" name="DIM_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_fact_value" name="VALUE"/>
  </ownedElement>
  <ownedElement xsi:type="relational:Table" xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </ownedElement>
  <ownedElement xsi:type="relational:Table" xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </ownedElement>
</relational:Schema>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

Query ​

The Query is a simple TableSource that selects all columns from the Fact table to use in the measures.

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapsrc:TableSource xmi:id="_tablesource_fact" table="_table_fact"/>
  <relational:Table xmi:id="_table_fact" name="Fact">
    <feature xsi:type="relational:Column" xmi:id="_column_fact_dim_key" name="DIM_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_fact_value" name="VALUE"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

H1L1Query ​

The Query is a simple TableSource that selects all columns from the H1_L1 table to use in the hierarchy join.

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <relational:Table xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

HxL2Query ​

The Query is a simple TableSource that selects all columns from the Hx_L2 table to use in the hierarchy join.

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <relational:Table xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

JoinQuery ​

The JoinSource specifies which TableQueries should be joined. It also defines the columns in each table that are used for the join:

  • In the lower-level table (Hx_L2), the join uses the foreign key H1L1_KEY.
  • In the upper-level table (H1_L1), the join uses the primary key KEY.
xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapsrc:JoinSource xmi:id="_joinsource">
    <left xmi:id="_joinedqueryelement_h1l1_key" key="_column_hx_l2_h1l1_key" source="_tablesource_hx_l2"/>
    <right xmi:id="_joinedqueryelement_key" key="_column_h1_l1_key" source="_tablesource_h1_l1"/>
  </rolapsrc:JoinSource>
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <relational:Table xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </relational:Table>
  <relational:Table xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

H1_Level1 ​

This Example uses H1_Level1 level based on the KEY column and name column NAME of table H1_L1.

xml
<rolaplev:Level xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmi:id="_level_h1_level1" name="H1_Level1">
  <column href="_column_h1_l1_key"/>
  <nameColumn href="_column_h1_l1_name"/>
</rolaplev:Level>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

H1_Level2 ​

This Example uses H1_Level2 level based on the KEY column and name column NAME of table HX_L2.

xml
<rolaplev:Level xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmi:id="_level_h1_level2" name="H1_Level2">
  <column href="_column_hx_l2_key"/>
  <nameColumn href="_column_hx_l2_name"/>
</rolaplev:Level>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

Hierarchy1 ​

The Hierarchy1 is defined with the hasAll property set to false and the two levels H1_Level1 and H1_Level2.

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolaphier="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolaphier:ExplicitHierarchy xmi:id="_explicithierarchy_hierarchy1" name="Hierarchy1" primaryKey="_column_hx_l2_key" source="_joinsource" levels="_level_h1_level1 _level_h1_level2"/>
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <rolaplev:Level xmi:id="_level_h1_level1" name="H1_Level1" column="_column_h1_l1_key" nameColumn="_column_h1_l1_name"/>
  <rolapsrc:JoinSource xmi:id="_joinsource">
    <left xmi:id="_joinedqueryelement_h1l1_key" key="_column_hx_l2_h1l1_key" source="_tablesource_hx_l2"/>
    <right xmi:id="_joinedqueryelement_key" key="_column_h1_l1_key" source="_tablesource_h1_l1"/>
  </rolapsrc:JoinSource>
  <relational:Table xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </relational:Table>
  <rolaplev:Level xmi:id="_level_h1_level2" name="H1_Level2" column="_column_hx_l2_key" nameColumn="_column_hx_l2_name"/>
  <relational:Table xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

Diml1 ​

The time dimension is defined with the one hierarchy.

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapdim="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension" xmlns:rolaphier="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapdim:StandardDimension xmi:id="_standarddimension_diml1" name="Diml1" hierarchies="_explicithierarchy_hierarchy1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <rolaplev:Level xmi:id="_level_h1_level1" name="H1_Level1" column="_column_h1_l1_key" nameColumn="_column_h1_l1_name"/>
  <rolapsrc:JoinSource xmi:id="_joinsource">
    <left xmi:id="_joinedqueryelement_h1l1_key" key="_column_hx_l2_h1l1_key" source="_tablesource_hx_l2"/>
    <right xmi:id="_joinedqueryelement_key" key="_column_h1_l1_key" source="_tablesource_h1_l1"/>
  </rolapsrc:JoinSource>
  <relational:Table xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </relational:Table>
  <rolaphier:ExplicitHierarchy xmi:id="_explicithierarchy_hierarchy1" name="Hierarchy1" primaryKey="_column_hx_l2_key" source="_joinsource" levels="_level_h1_level1 _level_h1_level2"/>
  <rolaplev:Level xmi:id="_level_h1_level2" name="H1_Level2" column="_column_hx_l2_key" nameColumn="_column_hx_l2_name"/>
  <relational:Table xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

Cube ​

The cube with two DimensionConnectors. One of them with level attribute to level H1_Level1 Second of them with level attribute to level H1_Level2 Level attribute in DimensionConnector uses for optimize sql inner join Level attribute is name of the level to join to If not specified joins to the lowest level of the dimension

xml
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI"  xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapcube="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/cube" xmlns:rolapdim="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension" xmlns:rolaphier="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmlns:rolapmeas="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/cube/measure" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <rolapcube:PhysicalCube xmi:id="_physicalcube_cube" name="Cube" source="_tablesource_fact">
    <dimensionConnectors xmi:id="_dimensionconnector_dim1" foreignKey="_column_fact_dim_key" dimension="_standarddimension_diml1" overrideDimensionName="Dim1" level="_level_h1_level2"/>
    <dimensionConnectors xmi:id="_dimensionconnector_dim2" foreignKey="_column_fact_dim_key" dimension="_standarddimension_diml1" overrideDimensionName="Dim2" level="_level_h1_level1"/>
    <measureGroups xmi:id="_measuregroup">
      <measures xsi:type="rolapmeas:SumMeasure" xmi:id="_summeasure_measure" name="Measure" column="_column_fact_value"/>
    </measureGroups>
  </rolapcube:PhysicalCube>
  <rolapsrc:TableSource xmi:id="_tablesource_fact" table="_table_fact"/>
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <rolapdim:StandardDimension xmi:id="_standarddimension_diml1" name="Diml1" hierarchies="_explicithierarchy_hierarchy1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <relational:Table xmi:id="_table_fact" name="Fact">
    <feature xsi:type="relational:Column" xmi:id="_column_fact_dim_key" name="DIM_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_fact_value" name="VALUE"/>
  </relational:Table>
  <rolaplev:Level xmi:id="_level_h1_level1" name="H1_Level1" column="_column_h1_l1_key" nameColumn="_column_h1_l1_name"/>
  <rolapsrc:JoinSource xmi:id="_joinsource">
    <left xmi:id="_joinedqueryelement_h1l1_key" key="_column_hx_l2_h1l1_key" source="_tablesource_hx_l2"/>
    <right xmi:id="_joinedqueryelement_key" key="_column_h1_l1_key" source="_tablesource_h1_l1"/>
  </rolapsrc:JoinSource>
  <relational:Table xmi:id="_table_h1_l1" name="H1_L1">
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME"/>
  </relational:Table>
  <rolaphier:ExplicitHierarchy xmi:id="_explicithierarchy_hierarchy1" name="Hierarchy1" primaryKey="_column_hx_l2_key" source="_joinsource" levels="_level_h1_level1 _level_h1_level2"/>
  <rolaplev:Level xmi:id="_level_h1_level2" name="H1_Level2" column="_column_hx_l2_key" nameColumn="_column_hx_l2_name"/>
  <relational:Table xmi:id="_table_hx_l2" name="HX_L2">
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY"/>
    <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY"/>
  </relational:Table>
</xmi:XMI>

Note: This is only a symbolic example. For the exact definition, see the Definition section.

Definition ​

This file represents the complete definition of the catalog.

xml
<?xml version="1.0" encoding="UTF-8"?>
<xmi:XMI xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:relational="http://www.omg.org/spec/CWM/1.1/resource/relational" xmlns:rolapcat="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/catalog" xmlns:rolapcube="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/cube" xmlns:rolapdim="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension" xmlns:rolaphier="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy" xmlns:rolaplev="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/dimension/hierarchy/level" xmlns:rolapmeas="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/olap/cube/measure" xmlns:rolapsrc="https://www.daanse.org/spec/org.eclipse.daanse.rolap.mapping/database/source">
  <relational:SQLSimpleType xmi:id="_sqlsimpletype_character_varying" name="CHARACTER VARYING" structuralFeature="_column_hx_l2_name _column_h1_l1_name" typeNumber="12"/>
  <relational:SQLSimpleType xmi:id="_sqlsimpletype_integer" name="INTEGER" structuralFeature="_column_fact_dim_key _column_hx_l2_h1l1_key _column_hx_l2_h2l1_key _column_hx_l2_key _column_h1_l1_key _column_fact_value" typeNumber="4"/>
  <rolapcat:Catalog xmi:id="_catalog_dimension_optimisation_with_level_attribute" description="Dimension optimization with level attributes" name="Daanse Tutorial - Dimension Optimisation With Level Attribute" cubes="_physicalcube_cube" dbschemas="_schema"/>
  <relational:Schema xmi:id="_schema">
    <ownedElement xsi:type="relational:Table" xmi:id="_table_fact" name="Fact">
      <feature xsi:type="relational:Column" xmi:id="_column_fact_dim_key" name="DIM_KEY" type="_sqlsimpletype_integer"/>
      <feature xsi:type="relational:Column" xmi:id="_column_fact_value" name="VALUE" type="_sqlsimpletype_integer"/>
    </ownedElement>
    <ownedElement xsi:type="relational:Table" xmi:id="_table_h1_l1" name="H1_L1">
      <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_key" name="KEY" type="_sqlsimpletype_integer"/>
      <feature xsi:type="relational:Column" xmi:id="_column_h1_l1_name" name="NAME" type="_sqlsimpletype_character_varying"/>
    </ownedElement>
    <ownedElement xsi:type="relational:Table" xmi:id="_table_hx_l2" name="HX_L2">
      <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_key" name="KEY" type="_sqlsimpletype_integer"/>
      <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_name" name="NAME" type="_sqlsimpletype_character_varying"/>
      <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h1l1_key" name="H1L1_KEY" type="_sqlsimpletype_integer"/>
      <feature xsi:type="relational:Column" xmi:id="_column_hx_l2_h2l1_key" name="H2L1_KEY" type="_sqlsimpletype_integer"/>
    </ownedElement>
  </relational:Schema>
  <rolapsrc:TableSource xmi:id="_tablesource_h1_l1" table="_table_h1_l1"/>
  <rolapsrc:TableSource xmi:id="_tablesource_fact" table="_table_fact"/>
  <rolapsrc:TableSource xmi:id="_tablesource_hx_l2" table="_table_hx_l2"/>
  <rolapsrc:JoinSource xmi:id="_joinsource">
    <left xmi:id="_joinedqueryelement_h1l1_key" key="_column_hx_l2_h1l1_key" source="_tablesource_hx_l2"/>
    <right xmi:id="_joinedqueryelement_key" key="_column_h1_l1_key" source="_tablesource_h1_l1"/>
  </rolapsrc:JoinSource>
  <rolaplev:Level xmi:id="_level_h1_level1" name="H1_Level1" column="_column_h1_l1_key" nameColumn="_column_h1_l1_name"/>
  <rolaplev:Level xmi:id="_level_h1_level2" name="H1_Level2" column="_column_hx_l2_key" nameColumn="_column_hx_l2_name"/>
  <rolaphier:ExplicitHierarchy xmi:id="_explicithierarchy_hierarchy1" name="Hierarchy1" primaryKey="_column_hx_l2_key" source="_joinsource" levels="_level_h1_level1 _level_h1_level2"/>
  <rolapdim:StandardDimension xmi:id="_standarddimension_diml1" name="Diml1" hierarchies="_explicithierarchy_hierarchy1"/>
  <rolapcube:PhysicalCube xmi:id="_physicalcube_cube" name="Cube" source="_tablesource_fact">
    <dimensionConnectors xmi:id="_dimensionconnector_dim1" foreignKey="_column_fact_dim_key" dimension="_standarddimension_diml1" overrideDimensionName="Dim1" level="_level_h1_level2"/>
    <dimensionConnectors xmi:id="_dimensionconnector_dim2" foreignKey="_column_fact_dim_key" dimension="_standarddimension_diml1" overrideDimensionName="Dim2" level="_level_h1_level1"/>
    <measureGroups xmi:id="_measuregroup">
      <measures xsi:type="rolapmeas:SumMeasure" xmi:id="_summeasure_measure" name="Measure" column="_column_fact_value"/>
    </measureGroups>
  </rolapcube:PhysicalCube>
</xmi:XMI>

Tutorial Zip ​

This file contains the data-tables as csv and the mapping as xmi file.

Download Zip File

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