Query Email Data through ODBC in Node.js

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Email ODBC Driver

The Email ODBC Driver is a powerful tool that allows you to connect with live Internet E-mail, directly from any applications that support ODBC connectivity.

Access Email data like you would a database - read, write, and send E-mails through a standard ODBC Driver interface.



Use node-odbc to execute SQL queries against Email data from Node.js.

Node.js is a JavaScript runtime environment that allows you to run JavaScript code outside of a browser. With the CData ODBC Driver for Email, you can access live Email data from Node.js apps and scripts. In this article, we walk through installing node-odbc and the required tools to create a simple Node.js app with access to live Email data.

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

Connecting to Email Data

If you have not already done so, provide values for the required connection properties in the data source name (DSN). You can use the built-in Microsoft ODBC Data Source Administrator to configure the DSN. This is also the last step of the driver installation. See the "Getting Started" chapter in the help documentation for a guide to using the Microsoft ODBC Data Source Administrator to create and configure a DSN.

The User and Password properties, under the Authentication section, must be set to valid credentials. The Server must be specified to retrieve emails and the SMTPServer must be specified to send emails.

Building node-odbc

In order to connect to Email through the CData ODBC Driver, you need to build node-odbc manually (after installing the required tools).

Installing the Required Tools

The following commands install the tools required to build node-odbc (note the -g parameter, which installs the tools globally).

npm i -g windows-build-tools
npm i -g node-gyp

Building node-odbc

After installing the required tools, create a directory for the Node.js app and install odbc (which builds the binary for us to use in our Node.js script).

mkdir nodeodbc
cd nodeodbc
npm i -g node

Querying Email from Node.js

With the ODBC Driver installed, a DSN Configured, and node-odbc built, we are ready to query live Email data from a Node.js app. The sample code below connects to a specific DSN and queries the Mailboxes table.

myscript.js

const odbc = require('odbc');

async function queryEmail() {
    const connection = await odbc.connect(`DSN=CData Email Source`);
    const data = await connection.query('SELECT Mailbox, RecentMessagesCount FROM Mailboxes');
    console.log(data);
}

queryEmail();

Once you write the app, use node to execute the script:

node myscript.js

Download a free, 30-day trial of the CData ODBC Driver for Email and start working with your live Email data in Node.js. Reach out to our Support Team if you have any questions.