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Connect to PowerShell Scripts as a Federated Tables in MySQL

Use the CData Cloud Hub to set up federated tables for PowerShell scripts in MySQL .

You can use the CData Cloud Hub to set up federated tables in MySQL for PowerShell scripts. The Cloud Hub provides a MySQL interface for PowerShell: After configuring a virtual MySQL database for PowerShell, you can create a server and tables using the FEDERATED Storage Engine in MySQL. You can then work with PowerShell scripts just as you would local MySQL tables.

The CData Cloud Hub provides a pure MySQL, cloud-to-cloud interface for PowerShell, allowing you to easily query live PowerShell scripts alongside existing MySQL data — all without replicating the data. Using optimized data processing out of the box, the CData Cloud Hub pushes all supported SQL operations (filters, JOINs, etc) directly to PowerShell, leveraging server-side processing to quickly return PowerShell scripts.

Create a Virtual MySQL Database for PowerShell Scripts

CData Cloud Hub uses a straightforward, point-and-click interface to connect to data sources and generate APIs.

  1. Login to Cloud Hub and click Databases.
  2. Select "PowerShell" from Available Data Sources.
  3. Enter the necessary authentication properties to connect to PowerShell.

    The ScriptLocation, under the Data section, must be set to a valid script location.

  4. Click Test Database.
  5. Click Privileges -> Add and add the new user (or an existing user) with the appropriate permissions.

With the virtual database created, you are ready to connect to PowerShell scripts from any MySQL client.

Create a FEDERATED Server and Tables for PowerShell Scripts

After you have configured and started the service, create a FEDERATED server to simplify the process of creating FEDERATED tables:

Create a FEDERATED Server

The following statement will create a FEDERATED server based on the Cloud Hub. Note that the username and password of the FEDERATED server must match a user account you defined on the Cloud Hub.

OPTIONS (USER 'cloud_hub_user', PASSWORD 'cloud_hub_passwd', HOST '', PORT 3306, DATABASE 'powershelldb');

Create a FEDERATED Table

To create a FEDERATED table using our newly created server, use the CONNECTION keyword and pass the name of the FEDERATED server and the remote table (Process). Refer to the following template for the statement to create a FEDERATED table:

CREATE TABLE fed_process (
  processname  TYPE(LEN),
  cpu  TYPE(LEN),

NOTE: The table schema for the FEDERATED table must match the remote table schema exactly. You can always connect directly to the Cloud Hub using any MySQL client and run SHOW COLUMNS FROM Process to get the table schema.

Execute Queries

You can now execute queries to the PowerShell FEDERATED tables from any tool that can connect to MySQL, which is particularly useful if you need to JOIN data from a local table with data from PowerShell. Refer to the following example:

  local_table.foreign_processname = fed_process.processname;