Connect to eBay Analytics as an External Data Source using PolyBase

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eBay Analytics ODBC Driver

The eBay Analytics ODBC Driver is a powerful tool that allows you to connect with live data from eBay Analytics, directly from any applications that support ODBC connectivity.

Access eBay Analytics data like you would a database, including eBay Analytics Traffic, Customers, Sellers, etc. through a standard ODBC Driver interface.



Use the CData ODBC Driver for eBay Analytics and PolyBase to create an external data source in SQL Server 2019 with access to live eBay Analytics data.

PolyBase for SQL Server allows you to query external data by using the same Transact-SQL syntax used to query a database table. When paired with the CData ODBC Driver for eBay Analytics, you get access to your eBay Analytics data directly alongside your SQL Server data. This article walks through creating an external data source and external tables to grant access to live eBay Analytics data using T-SQL queries.

The CData ODBC drivers offer unmatched performance for interacting with live eBay Analytics data using PolyBase due to optimized data processing built into the driver. When you issue complex SQL queries from SQL Server to eBay Analytics, the driver pushes down supported SQL operations, like filters and aggregations, directly to eBay Analytics and utilizes the embedded SQL engine to process unsupported operations (often SQL functions and JOIN operations) client-side. And with PolyBase, you can also join SQL Server data with eBay Analytics data, using a single query to pull data from distributed sources.

Connect to eBay Analytics

If you have not already, first specify connection properties in an ODBC DSN (data source name). This is the last step of the driver installation. You can use the Microsoft ODBC Data Source Administrator to create and configure ODBC DSNs. To create an external data source in SQL Server using PolyBase, configure a System DSN (CData eBay Analytics Sys is created automatically).

You can authenticate to eBay Analytics only via the OAuth 2 authentication method. The eBay Analytics API requires an access token created with the authorization code grant flow to authorize the requests.

You can follow the guide in the Help documentation for a step by step guide on how to authenticate using the OAuth 2 protocol.

Click "Test Connection" to ensure that the DSN is connected to eBay Analytics properly. Navigate to the Tables tab to review the table definitions for eBay Analytics.

Create an External Data Source for eBay Analytics Data

After configuring the connection, you need to create a master encryption key and a credential database for the external data source.

Creating a Master Encryption Key

Execute the following SQL command to create a new master key, 'ENCRYPTION,' to encrypt the credentials for the external data source.

CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'password';

Creating a Credential Database

Execute the following SQL command to create credentials for the external data source connected to eBay Analytics data.

NOTE: Since eBay Analytics does not require a User or Password to authenticate, you may use whatever values you wish for IDENTITY and SECRET.

CREATE DATABASE SCOPED CREDENTIAL ebayanalytics_creds
WITH IDENTITY = 'username', SECRET = 'password';

Create an External Data Source for eBay Analytics

Execute the following SQL command to create an external data source for eBay Analytics with PolyBase, using the DSN and credentials configured earlier.

For eBay Analytics, set SERVERNAME to 'localhost' or '127.0.0.1' and leave PORT empty. PUSHDOWN is set to ON by default, meaning the ODBC Driver can leverage server-side processing for complex queries.

CREATE EXTERNAL DATA SOURCE cdata_ebayanalytics_source
WITH ( 
  LOCATION = 'odbc://SERVERNAME[:PORT]',
  CONNECTION_OPTIONS = 'DSN=CData eBay Analytics Sys',
  -- PUSHDOWN = ON | OFF,
  CREDENTIAL = ebayanalytics_creds
);

Create External Tables for eBay Analytics

After creating the external data source, use CREATE EXTERNAL TABLE statements to link to eBay Analytics data from your SQL Server instance. The table column definitions must match those exposed by the CData ODBC Driver for eBay Analytics. You can refer to the Tables tab of the DSN Configuration Wizard to see the table definition.

Sample CREATE TABLE Statement

The statement to create an external table based on a eBay Analytics TrafficReportByListing would look similar to the following:

CREATE EXTERNAL TABLE TrafficReportByListing(
  ListingName [nvarchar](255) NULL,
  ClickThroughRate [nvarchar](255) NULL,
  ...
) WITH ( 
  LOCATION='TrafficReportByListing',
  DATA_SOURCE=cdata_ebayanalytics_source
);

Having created external tables for eBay Analytics in your SQL Server instance, you are now able to query local and remote data simultaneously. Thanks to built-in query processing in the CData ODBC Driver, you know that as much query processing as possible is being pushed to eBay Analytics, freeing up local resources and computing power. Download a free, 30-day trial of the ODBC Driver for eBay Analytics and start working with live eBay Analytics data alongside your SQL Server data today.