Connect to Twilio as an External Data Source using PolyBase

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Twilio ODBC Driver

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

Access Twilio data like you would a database - read, write, and update Twilio Accounts, Applications, Messages, Recordings, etc. through a standard ODBC Driver interface.



Use the CData ODBC Driver for Twilio and PolyBase to create an external data source in SQL Server 2019 with access to live Twilio 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 Twilio, you get access to your Twilio data directly alongside your SQL Server data. This article walks through creating an external data source and external tables to grant access to live Twilio data using T-SQL queries.

The CData ODBC drivers offer unmatched performance for interacting with live Twilio data using PolyBase due to optimized data processing built into the driver. When you issue complex SQL queries from SQL Server to Twilio, the driver pushes down supported SQL operations, like filters and aggregations, directly to Twilio 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 Twilio data, using a single query to pull data from distributed sources.

Connect to Twilio

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 Twilio Sys is created automatically).

Use the AccountSid and AuthToken connection properties to access data from your account. You obtain your live credentials on your Twilio account dashboard. Click Account -> Account Settings to obtain your test credentials.

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

Create an External Data Source for Twilio 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 Twilio data.

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

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

Create an External Data Source for Twilio

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

For Twilio, 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_twilio_source
WITH ( 
  LOCATION = 'odbc://SERVERNAME[:PORT]',
  CONNECTION_OPTIONS = 'DSN=CData Twilio Sys',
  -- PUSHDOWN = ON | OFF,
  CREDENTIAL = twilio_creds
);

Create External Tables for Twilio

After creating the external data source, use CREATE EXTERNAL TABLE statements to link to Twilio data from your SQL Server instance. The table column definitions must match those exposed by the CData ODBC Driver for Twilio. 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 Twilio Calls would look similar to the following:

CREATE EXTERNAL TABLE Calls(
  To [nvarchar](255) NULL,
  Duration [nvarchar](255) NULL,
  ...
) WITH ( 
  LOCATION='Calls',
  DATA_SOURCE=cdata_twilio_source
);

Having created external tables for Twilio 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 Twilio, freeing up local resources and computing power. Download a free, 30-day trial of the ODBC Driver for Twilio and start working with live Twilio data alongside your SQL Server data today.