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NodeJs MySQL UCASE() Function
  • Last Updated : 17 Feb, 2021

UCASE() function is a builtin function in MySQL that is used to convert all characters of a given string to uppercase.

Syntax:

UCASE(input_string)

Parameters: It takes one parameter as follows:

  • input_string: It is the string that is passed for converting this string to uppercase.

Return Value: It returns a new uppercase string.

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");
  
    // Here is the query
    let query = "SELECT UCASE('This iNpUT 
           strinG @!#$%^&*()?') AS uppercase_name";
  
    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");
  
    // Here is the query
    let query = "SELECT name, UCASE(name) 
       AS uppercase_name 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:

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