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NodeJS MySQL Max() Function
  • Last Updated : 18 Feb, 2021

We will be using Max() function in MySQL to get Maximum value of some particular column.

Syntax:

MAX(column_name)

Parameters: MAX() function accepts a single parameter as mentioned above and described below.

  • column_name: Column’s name from which we have to return the max value.

Return Value: MAX() function returns the maximum value from the particular column in the table.

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:

idex.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");
  
    // here is the query
    let query = "SELECT MAX(salary) AS max_salary FROM publishers";
  
    db_con.query(query, (err, rows) => {
        if(err) throw err;
  
        console.log(rows);
    });
});

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");
  
    // here is the query
    let query = "SELECT MAX(salary) AS max_salary 
                 FROM publishers WHERE id < 8";
  
    db_con.query(query, (err, rows) => {
        if(err) throw err;
  
        console.log(rows);
    });
});

Output:


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