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Rapidly create and deploy powerful Java applications that integrate with SQL Analysis Services.

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Load SQL Analysis Services Data to a Database Using Embulk


Use CData JDBC drivers with the open source ETL/ELT tool Embulk to load SQL Analysis Services data to a database.

Embulk is an open source bulk data loader. When paired with the CData JDBC Driver for SQL Analysis Services, Embulk easily loads data from SQL Analysis Services to any supported destination. In this article, we explain how to use the CData JDBC Driver for SQL Analysis Services in Embulk to load SQL Analysis Services data to a MySQL dtabase.

With built-in optimized data processing, the CData JDBC Driver offers unmatched performance for interacting with live SQL Analysis Services data. When you issue complex SQL queries to SQL Analysis Services, the driver pushes supported SQL operations, like filters and aggregations, directly to SQL Analysis Services and utilizes the embedded SQL engine to process unsupported operations client-side (often SQL functions and JOIN operations).

Configure a JDBC Connection to SQL Analysis Services Data

Before creating a bulk load job in Embulk, note the installation location for the JAR file for the JDBC Driver (typically C:\Program Files\CData\CData JDBC Driver for SQL Analysis Services\lib).

Embulk supports JDBC connectivity, so you can easily connect to SQL Analysis Services and execute SQL queries. Before creating a bulk load job, create a JDBC URL for authenticating with SQL Analysis Services.

To connect, provide authentication and set the Url property to a valid SQL Server Analysis Services endpoint. You can connect to SQL Server Analysis Services instances hosted over HTTP with XMLA access. See the Microsoft documentation to configure HTTP access to SQL Server Analysis Services.

To secure connections and authenticate, set the corresponding connection properties, below. The data provider supports the major authentication schemes, including HTTP and Windows, as well as SSL/TLS.

  • HTTP Authentication

    Set AuthScheme to "Basic" or "Digest" and set User and Password. Specify other authentication values in CustomHeaders.

  • Windows (NTLM)

    Set the Windows User and Password and set AuthScheme to "NTLM".

  • Kerberos and Kerberos Delegation

    To authenticate with Kerberos, set AuthScheme to NEGOTIATE. To use Kerberos delegation, set AuthScheme to KERBEROSDELEGATION. If needed, provide the User, Password, and KerberosSPN. By default, the data provider attempts to communicate with the SPN at the specified Url.

  • SSL/TLS:

    By default, the data provider attempts to negotiate SSL/TLS by checking the server's certificate against the system's trusted certificate store. To specify another certificate, see the SSLServerCert property for the available formats.

You can then access any cube as a relational table: When you connect the data provider retrieves SSAS metadata and dynamically updates the table schemas. Instead of retrieving metadata every connection, you can set the CacheLocation property to automatically cache to a simple file-based store.

See the Getting Started section of the CData documentation, under Retrieving Analysis Services Data, to execute SQL-92 queries to the cubes.

Built-in Connection String Designer

For assistance in constructing the JDBC URL, use the connection string designer built into the SQL Analysis Services JDBC Driver. Either double-click the JAR file or execute the jar file from the command-line.

java -jar cdata.jdbc.ssas.jar

Fill in the connection properties and copy the connection string to the clipboard.

Below is a typical JDBC connection string for SQL Analysis Services:

jdbc:ssas:User=myuseraccount;Password=mypassword;URL=http://localhost/OLAP/msmdpump.dll;

Load SQL Analysis Services Data in Embulk

After installing the CData JDBC Driver and creating a JDBC connection string, install the required Embulk plugins.

Install Embulk Input & Output Plugins

  1. Install the JDBC Input Plugin in Embulk.
    https://github.com/embulk/embulk-input-jdbc/tree/master/embulk-input-jdbc
    2. embulk gem install embulk-input-jdbc
  2. In this article, we use MySQL as the destination database. You can also choose SQL Server, PostgreSQL, or Google BigQuery as the destination using the output Plugins.
    https://github.com/embulk/embulk-output-jdbc/tree/master/embulk-output-mysql embulk gem install embulk-output-mysql

With the input and output plugins installed, we are ready to load SQL Analysis Services data into MySQL using Embulk.

Create a Job to Load SQL Analysis Services Data

Start by creating a config file in Embulk, using a name like ssas-mysql.yml.

  1. For the input plugin options, use the CData JDBC Driver for SQL Analysis Services, including the path to the driver JAR file, the driver class (e.g. cdata.jdbc.ssas.SSASDriver), and the JDBC URL from above
  2. For the output plugin options, use the values and credentials for the MySQL database

Sample Config File (ssas-mysql.yml)

in: type: jdbc driver_path: C:\Program Files\CData[product_name] 20xx\lib\cdata.jdbc.ssas.jar driver_class: cdata.jdbc.ssas.SSASDriver url: jdbc:ssas:User=myuseraccount;Password=mypassword;URL=http://localhost/OLAP/msmdpump.dll; table: "Adventure_Works" out: type: mysql host: localhost database: DatabaseName user: UserId password: UserPassword table: "Adventure_Works" mode: insert

After creating the file, run the Embulk job.

embulk run ssas-mysql.yml

After running the the Embulk job, find the Salesforce data in the MySQL table.

Load Filtered SQL Analysis Services Data

In addition to loading data directly from a table, you can use a custom SQL query to have more granular control of the data loaded. You can also perform increment loads by setting a last updated column in a SQL WHERE clause in the query field.

in: type: jdbc driver_path: C:\Program Files\CData[product_name] 20xx\lib\cdata.jdbc.ssas.jar driver_class: cdata.jdbc.ssas.SSASDriver url: jdbc:ssas:User=myuseraccount;Password=mypassword;URL=http://localhost/OLAP/msmdpump.dll; query: "SELECT Fiscal_Year, Sales_Amount FROM Adventure_Works WHERE [RecordId] = 1" out: type: mysql host: localhost database: DatabaseName user: UserId password: UserPassword table: "Adventure_Works" mode: insert

More Information & Free Trial

By using CData JDBC Driver for SQL Analysis Services as a connector, Embulk can integrate SQL Analysis Services data into your data load jobs. And with drivers for more than 200+ other enterprise sources, you can integrate any enterprise SaaS, big data, or NoSQL source as well. Download a 30-day free trial and get started today.