get data from multiple tables in sql and node js
Sure! Here is an example of how you can get data from multiple tables in SQL and Node.js.
Step 1: Install necessary packages
npm install mysql
Step 2: Create a connection to the MySQL database
const mysql = require('mysql');
const connection = mysql.createConnection({
host: 'your-hostname',
user: 'your-username',
password: 'your-password',
database: 'your-database'
});
connection.connect();
Step 3: Write the SQL query to retrieve data from multiple tables
const query = `SELECT table1.column1, table2.column2
FROM table1
JOIN table2 ON table1.id = table2.table1_id
WHERE condition`;
Step 4: Execute the SQL query
connection.query(query, (error, results, fields) => {
if (error) throw error;
console.log(results);
});
connection.end();