Query Amazon DynamoDB Data as a MySQL Database in Node.js

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Amazon DynamoDB ODBC Driver

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

Access DynamoDB data like you would a database - read, write, and update NoSQL tables through a standard ODBC Driver interface.



Execute MySQL queries against Amazon DynamoDB data from Node.js.

You can use the SQL Gateway from the ODBC Driver for Amazon DynamoDB to query Amazon DynamoDB data through a MySQL interface. Follow the procedure below to start the MySQL remoting service of the SQL Gateway and start querying using Node.js.

Connect to Amazon DynamoDB 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 connection to Amazon DynamoDB is made using your AccessKey, SecretKey, and optionally your Domain and Region. Your AccessKey and SecretKey can be obtained on the security credentials page for your Amazon Web Services account. Your Region will be displayed in the upper left-hand corner when you are logged into DynamoDB.

Configure the SQL Gateway

See the SQL Gateway Overview to set up connectivity to Amazon DynamoDB data as a virtual MySQL database. You will configure a MySQL remoting service that listens for MySQL requests from clients. The service can be configured in the SQL Gateway UI.

Query Amazon DynamoDB from Node.js

The following example shows how to define a connection and execute queries to Amazon DynamoDB with the mysql module. You will need the following information:

  • Host name or address, and port: The machine and port where the MySQL remoting service is listening for MySQL connections.
  • Username and password: The username and password of a user you authorized on the Users tab of the SQL Gateway.
  • Database name: The DSN you configured for the MySQL remoting service.

Connect to Amazon DynamoDB data and start executing queries with the code below:

var mysql      = require('mysql');
var connection = mysql.createConnection({
  host     : 'localhost',
  database : 'CData AmazonDynamoDB Sys',
  port	   : '3306',
  user     : 'mysql_user',
  password : 'test'
});
connection.connect();
connection.query('SELECT * FROM Lead', function(err, rows, fields) {
  if (err) throw err;
  console.log(rows);
});

connection.end();