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@types/better-sqlite3

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@types/better-sqlite3

TypeScript definitions for better-sqlite3

  • 7.6.11
  • ts4.8
  • ts4.9
  • ts5.0
  • ts5.1
  • ts5.2
  • ts5.3
  • ts5.4
  • ts5.5
  • ts5.6
  • ts5.7
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What is @types/better-sqlite3?

@types/better-sqlite3 provides TypeScript type definitions for the better-sqlite3 package, which is a fast and simple SQLite3 library for Node.js applications. It allows for synchronous database operations and provides a straightforward API for executing SQL queries, managing transactions, and handling prepared statements.

What are @types/better-sqlite3's main functionalities?

Executing SQL Queries

This feature allows you to execute SQL queries synchronously. The code sample demonstrates how to prepare and execute a SELECT query to fetch a user with a specific ID.

const Database = require('better-sqlite3');
const db = new Database('my-database.db');
const row = db.prepare('SELECT * FROM users WHERE id = ?').get(1);
console.log(row);

Managing Transactions

This feature allows you to manage transactions, ensuring that a series of database operations are executed atomically. The code sample demonstrates how to create and execute a transaction that inserts multiple users into the database.

const Database = require('better-sqlite3');
const db = new Database('my-database.db');
const insert = db.prepare('INSERT INTO users (name, age) VALUES (?, ?)');
const transaction = db.transaction((users) => {
  for (const user of users) insert.run(user.name, user.age);
});
transaction([{ name: 'Alice', age: 30 }, { name: 'Bob', age: 25 }]);

Handling Prepared Statements

This feature allows you to handle prepared statements for executing SQL queries multiple times with different parameters. The code sample demonstrates how to prepare an INSERT statement and execute it with different values.

const Database = require('better-sqlite3');
const db = new Database('my-database.db');
const stmt = db.prepare('INSERT INTO users (name, age) VALUES (?, ?)');
stmt.run('Charlie', 35);
stmt.run('Dave', 40);

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Package last updated on 02 Jul 2024

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