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SSAS でLDAP Objects に連携するOLAP Cube を作成

Connect to LDAP objects in an Analysis Services project using the LDAP Data Provider and build OLAP cubes for use in analytics, reporting, and more.

SQL Server Analysis Services (SSAS) is an analytical data engine used in decision support and business analytics. It provides enterprise-grade semantic data models for business reports and client applications, such as Power BI, Excel, Reporting Services reports, and other data visualization tools. When paired with the CData ADO.NET Provider for LDAP, you can create cubes from LDAP objects for deeper and faster data analysis.

This article walks through creating an Analysis Services project in Visual Studio to build and deploy a multi-dimensional model of LDAP objects. You will need to have an accessible SSAS instance and the ADO.NET Provider installed.

Creating a Data Source for LDAP

Start by creating a new Analysis Service Multidimensional and Data Mining Project in Visual Studio. Next, create a Data Source for LDAP objects in the project.

  1. In the Solution Explorer, right-click Data Source and select New Data Source.
  2. Opt to create a data source based on an existing or new connection and click New.
  3. In the Connection Manager, select CData ADO.NET Provider for LDAP, enter the necessary connection properties, and click Next.

    リクエストを認証するには、User およびPassword プロパティを有効なLDAP クレデンシャル(例えば、User を"Domain\BobF" または"cn=Bob F,ou=Employees,dc=Domain")に設定します。 本製品は、デフォルトでプレーンテキスト認証を使用します。これは、本製品がサーバーとTLS/SSL のネゴシエーションを試みるためです。 AuthMechanism を使って別の認証方法を指定できます。 TLS/SSL コンフィギュレーションについて詳しくは、高度な設定 を参照してください。

      基本接続には、Server およびPort を設定します。さらに、次のように接続を微調整できます。
    • FollowReferrals:設定すると、本製品は参照サーバーのデータもビューとして表示します。参照サーバー上のデータを変更するには、このサーバーをServer およびPort で指定する必要があります。
    • LDAPVersion:サーバーが実装するプロトコルのバージョンに設定します。デフォルトでは、本製品はversion 2 を使用します。
    • BaseDN は、LDAP 検索の範囲を指定された識別名の高さに限定します。BaseDN の範囲を絞ることはパフォーマンスを劇的に向上させます。例えば、"cn=users,dc=domain" の値は、"cn=users" およびその子に含まれる結果のみを返します。
    • Scope:このプロパティを使用すると、サブツリーから返されるデータをより細かく制御できます。

    When you configure the connection, you may also want to set the Max Rows connection property. This will limit the number of rows returned, which is especially helpful for improving performance when designing reports and visualizations.

  4. Set the impersonation method to Inherit and click Next.
  5. Name the data source (CData LDAP Source) and click Finish.

Creating a Data Source View

After you create the data source, create the data source view.

  1. In the Solution Explorer, right-click Data Source Views and select New Data Source View.
  2. Select the data source you just created (CData LDAP Source) and click Next.
  3. Choose a foreign key match pattern that matches your underlying data source and click Next.
  4. Select LDAP tables to add to the view and click Next.
  5. Name the view and click Finish

Based on the foreign key match scheme, relationships in the underlying data will be automatically detected. You can view (and edit) these relationships by double clicking Data Source View.

Note that adding a secondary data source to the Data Source View is not supported. When working with multiple data sources, SSAS requires both sources to support remote queries via OpenRowset which is unavilable in the ADO.NET Provider.

Creating a Cube for LDAP

The last step before you can process the project and deploy LDAP objects to SSAS is creating the cubes.

  1. In the Solution Explorer, right-click Cubes and select New Cube
  2. Select "Use existing tables" and click Next.
  3. Select the tables that will be used for measure group tables and click Next.
  4. Select the measures you want to include in the cube and click Next.
  5. Select the dimensions to be created, based on the available tables, and click Next.
  6. Review all of your selections and click Finish.

Process the Project

With the data source, data source view, and cube created, you are ready to deploy the cube to SSAS. To configure the target server and database, right-click the project and select properties. Navigate to deployment and configure the Server and Database properties in the Target section.

After configuring the target server and database, right-click the project and select Process. You may need to build and deploy the project as a part of this step. Once the project is built and deployed, click Run in the Process Database wizard.

Now you have an OLAP cube for LDAP objects in your SSAS instance, ready to be analyzed, reported, and viewed. Get started with a free, 30-day trial of the CData ADO.NET Provider for LDAP.

 
 
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