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Database-js was started to implement a common, promise-based interface for SQL database access. The concept is to copy the Java pattern of using connection strings to identify the driver. Then provide wrappers around the implemented functionality to commonize the syntax and results.

Thus if SQLite, MySQL and PostgreSQL all have a database named test with a table named states we can access the data the same way.

Database-js has built-in prepared statements, even if the underlying driver does not support them. It is built on Promises, so it works well with ES7 async code.

Currently available drivers:

[See here](https://github.com/mlaanderson/database-js/wiki/Drivers#implementing-a-new-driver) how to add a new driver.

new Connection("sqlite:///path/to/test.sqlite"); // SQLite

// new Connection("mysql://user:password@localhost/test"); // MySQL

// new Connection("postgres://user:password@localhost/test"); // PostgreSQL

var statement = conn.prepareStatement("SELECT * FROM states WHERE state = ?");

statement.query("South Dakota")

Because **database-js** is built on Promises, it works very well with [async/await](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/async_function). Compare the following code to the code from above. They accomplish the same thing.

var Connection = require('database-js').Connection;