Query Tally Data through ODBC in Node.js

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Tally ODBC Driver

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

Access Tally data like you would a database - read, write, and update Tally SalesOrders, PurchaseOrders, Accounts, etc. through a standard ODBC Driver interface.



Use node-odbc to execute SQL queries against Tally 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 Tally, you can access live Tally 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 Tally data.

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

Connecting to Tally 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.

Set the following connection properties to connect to Tally Instance:

  • Url: Set this to the URL for your Tally instance. For example: http://localhost:9000.

Building node-odbc

In order to connect to Tally 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 Tally from Node.js

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

myscript.js

const odbc = require('odbc');

async function queryTally() {
    const connection = await odbc.connect(`DSN=CData Tally Source`);
    const data = await connection.query('SELECT Name, Address FROM Company');
    console.log(data);
}

queryTally();

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 Tally and start working with your live Tally data in Node.js. Reach out to our Support Team if you have any questions.