Node.js MySQL FORMAT() Function
FORMAT() function is a built-in function in MySQL that is used to format input numbers in the format of …**, ***, *** also, round float numbers to a specific number of decimal places.
Syntax:
FORMAT(number, number_of_decimal_places)
Parameters: It takes two parameters as follows:
- number: The number which is given for formatting.
- number_of_decimal_places: It is the number of decimal places.
Return Value: It returns a formatted number as a String in the format of …**, ***, ***.
Module Installation: Install the mysql module using the following command:
npm install mysql
Database: Our SQL publishers table preview with sample data is shown below:
Example 1:
index.js
const mysql = require( "mysql" );
let db_con = mysql.createConnection({
host: "localhost" ,
user: "root" ,
password: '' ,
database: 'gfg_db'
});
db_con.connect((err) => {
if (err) {
console.log( "Database Connection Failed !!!" , err);
return ;
}
console.log( "We are connected to gfg_db database" );
let query = "SELECT FORMAT(12345678.12555, 2) AS output" ;
db_con.query(query, (err, rows) => {
if (err) throw err;
console.log(rows);
});
});
|
Run the index.js file using the following command:
node index.js
Output:
Example 2:
index.js
const mysql = require( "mysql" );
let db_con = mysql.createConnection({
host: "localhost" ,
user: "root" ,
password: '' ,
database: 'gfg_db'
});
db_con.connect((err) => {
if (err) {
console.log( "Database Connection Failed !!!" , err);
return ;
}
console.log( "We are connected to gfg_db database" );
let query =
"SELECT FORMAT(salary, 1) AS formatted_salary FROM publishers" ;
db_con.query(query, (err, rows) => {
if (err) throw err;
console.log(rows);
});
});
|
Run the index.js file using the following command:
node index.js
Output:
Last Updated :
17 Feb, 2021
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