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NodeJS-MySQL

41 posts

Mastering JWT authentication in Express

Last Updated: 24 April 2025

While creating any application it is very important to add authentication to ensure that only authorized users can access the protected resources. A JSON Web Token (JWT) i...read more

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Web Technologies

Geeks Premier League

Geeks Premier League 2023

How to insert request body into a MySQL database using Express js

Last Updated: 24 July 2024

If you trying to make an API with MySQL and Express JS to insert some data into the database, your search comes to an end. In this article, you are going to explore - how ...read more

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Web Technologies

Geeks Premier League

Geeks Premier League 2023

How to Connect Node.js Application to MySQL ?

Last Updated: 12 June 2024

To connect the Node App to the MySQL database we can utilize the mysql package from Node Package Manager. This module provides pre-defined methods to create connections, q...read more

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Web Technologies

NodeJS-Questions

How to save connection result in a variable in Node.js ?

Last Updated: 07 April 2021

We are going to use the query function in MySQL library in node.js that will return our output as expected. Using this approach, we can save connection result in a variabl...read more

Web Technologies

Node.js-Methods

NodeJS-Questions

Node.js MySQL POSITION() Function

Last Updated: 07 October 2021

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 i...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LEFT() Function

Last Updated: 07 October 2021

LEFT() Function is a Builtin function in MySQL which is used to get Prefix of a specific size of Given String.Syntax:LEFT(input_string, size_of_prefix)Parameters: LEFT() f...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LENGTH() Function

Last Updated: 07 October 2021

LENGTH() Function is a Builtin function in MySQL which is used to get length of given string in bytes.Syntax:LENGTH(input_string)Parameters: LENGTH() function accepts a si...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LOCATE() Function

Last Updated: 07 October 2021

LOCATE() 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 ...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LOWER() Function

Last Updated: 29 November 2021

LOWER() Function is a Builtin function in MySQL which is used to convert all characters of given string to lowercase.Syntax:LOWER(input_string)Parameters: LOWER() function...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LPAD() Function

Last Updated: 07 October 2021

LPAD() Function is a Builtin function in MySQL which is used to attach a given string to text from left side till total length is equal to given value. If the given string...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL LTRIM() Function

Last Updated: 07 October 2021

LTRIM() Function is a Builtin Function in MySQL which is used to trim all spaces from left side of input string.Syntax:LTRIM(string)Parameters: LTRIM() function accepts a ...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL MID() Function

Last Updated: 07 October 2021

MID() Function is a Builtin Function in MySQL which is used to get substring of input string between given range inclusive.Syntax:MID(input_string, from, length)Parameters...read more

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Web Technologies

Technical Scripter 2020

NodeJS MySQL Max() Function

Last Updated: 18 February 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 men...read more

Technical Scripter 2020

Node.js MySQL NULL Values

Last Updated: 07 October 2021

In this article, will learn to handle NULL values and make Query on the basis of NULL values.Syntax:IS NULL;IS NOT NULL;Return Value:'IS NULL' returns the row in the colum...read more

Technical Scripter

Web Technologies

Technical Scripter 2020

Node.js MySQL Min() Function

Last Updated: 07 October 2021

We will be using Min() function in MySQL to get Minimum value from some particular column.Syntax:MIN(column_name)Parameters: MIN() function accepts a single parameter as m...read more

Technical Scripter

Web Technologies

Technical Scripter 2020