Node.js MySQL POSITION() Function

POSITION() Function is a Builtin Function in MySQL which is used to get position of first occurrence of a pattern in a text when searched from specific position.

Note: It is not Case Sensitive.

Syntax:

POSITION(pattern IN text)

Parameters: POSITION() function accepts two parameters as mentioned above and described below.

• pattern: Pattern to be Searched
• text: In this text, pattern will be searched

Return Value: POSITION() function returns position of first occurrence of a pattern in a text when searched from specific position. If something went wrong it will return 0.

Modules:

• mysql: To handle MySQL Connection and Queries

npm install mysql

SQL publishers Table Preview:

Example 1:

Javascript

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");

  // notice the ? in query
  let query = `SELECT POSITION('for' IN 'GEEKSFORGEEKS') AS POSITION_Output`;

  db_con.query(query, (err, rows) => {
    if (err) throw err;

    console.log(rows);
  });
});

Output:

Example 2:

Javascript

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");

  // notice the ? in query
  let query = `SELECT name, POSITION('a' IN name)
               AS POSITION_Output FROM publishers`;

  db_con.query(query, (err, rows) => {
    if (err) throw err;

    console.log(rows);
  });
});

Output: