In this tutorial, you have learned how to update data in the SQLite database from a Node.js application. The output showed that one row has been updated which is correct. It only covers the most common items, and tries to guess sane defaults. npm init This utility will walk you through creating a package.json file. Row(s) updated: 1 Code language: JavaScript ( javascript ) Setup and Installation I will begin by creating a new npm package using npm init inside an empty directory called node-sqlite-tutorial. To execute the UPDATE statement in the Node.js application, you call the run() method of the Database object: db.run(sql, params, function( err)`) To get started, install databases/sqlite using either yarn or npm: yarn install databases/sqlite. if you are using node.js in IOT, or an Electron app. But in nodejs framework serial operations are tricky. var db new sqlite3.Database('./database/db. var sqlite3 require('sqlite3').verbose() Then a new Database object is created using the database initialized above, /database/db.sqlite. To update data in a table, you use the UPDATE statement as follows: UPDATE table_name SQLite is a great database for embedded use cases. The task is to create a users table with 2 columns (username, password) then insert and retrieve data. In this app, the sqlite3 module is required by /database/db.js, specifying that verbose errors are shown. To update data in the SQLite database from a Node.js application, you use these steps:įor the demonstration, we will use the langs table in the sample.db database that we created in the previous tutorial. Summary: this tutorial shows you how to update data in the SQLite database from a Node.js application.
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