Procedure
Define a Data Source View
Having defined the Data
Source within our Analysis Services Project, our next steps surround
the creation of the Data Source View, a procedure that is customary at
this stage in most Analysis Services Projects. It is important to
realize, as we work with a "live" data connection that we have
defined, that we could certainly continue our development efforts with the
metadata without an open connection. The Data Source View
provides a single, unified view of the metadata from the tables and views that
concern us within our project.
To define a Data
Source View, we will take the following steps:
1.
Right-click Data
Source Views folder within the Solution Explorer.
2.
Select New
Data Source View from the context menu that appears, as depicted in Illustration
17.
Illustration 17: Initial
Step in Creating a New Data Source View
The Data Source View Wizard
appears, opening with the Welcome to the Data Source View Wizard page,
as shown in Illustration 18.
Illustration 18: The
Initial Page of the Data Source View Wizard
We arrive at the Select
a Data Source
page, where we see our Adventure Works DW Data Source in the Relational
data sources list box on the left side of the page, as depicted in Illustration
19.
Illustration 19: Adventure
Works DW Appears in the Relational Data Sources
Our newly created Data
Source is positioned as the default, and will serve us in meeting the objectives
of our practice exercise. It is particularly useful to note, however, that we
can define both a primary data source (a single Data Source like Adventure
Works DW is an example), and then add tables and views from secondary
data sources.
NOTE:
Heterogeneous queries are supported as long as one Data Source is a MSSQL
Server Data Source.
4.
Click Next.
We next arrive at the Select
Tables and Views
page, where we see the various tables of the Adventure Works DW data
source appear in the Available objects list box on the left of the page.
5.
Click dbo.FactResellerSales
in the Available objects list to select it.
6.
Click the
button marked > to move dbo.FactResellerSales to the Included objects list on the right
half of the page, as shown in Illustration 20.
Illustration 20: Selecting
a Table for Inclusion in the Data Source View
7.
Perform Steps
5 and 6 for each of the following tables, to include them in the Data
Source View:
-
dbo.DimEmployee
-
dbo.DimProduct
-
dbo.DimProductCategory
-
dbo.DimProductSubcategory
-
dbo.DimReseller
-
dbo.DimTime
NOTE:
We can also
select the group listed above at once by holding down the [CTRL] key and
clicking each sequentially.
The Select Tables and
Views page
appears, with our selections, as depicted in Illustration 21.
Illustration 21: Our
Tables Selection for the Data Source View
The Completing the
Wizard page appears, as shown in Illustration 22.
Illustration 22: The
Final Page of the Data Source View Wizard
9. Click Finish to create the
new Data Source View, and to dismiss the Data Source View Wizard.
Our new Data Source View,
Adventure Works DW, appears in the Data Source Views folder within
the Solution Explorer window, as depicted in Illustration 23.
Illustration 23: The New
Data Source View in the Solution Explorer
The Data Source View
is also presented within the Data Source View Designer in Business
Intelligence Development Studio.
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