Array vs Object when returning data
Prefer Using Objects when returning large amount of data When returning large data, it can be obvious to use Arrays. But Arrays make poor object-to-object data transfer mechanisms in object-oriented...
View ArticleSimple and better ways to optimize MySQL query
MySQL is very popular choice for database management systems. Which uses the SQL querying language to input and query data. Although SQL queries are simple commands that are very easy to learn and...
View ArticleWorld’s Countries, States and Cities database
There are many Database providers which are charging us for providing the Databases of various types. One of them is very important and useful database is for world’s all countries,State and Cities....
View ArticleReset the MySQL Root Password to fix Access denied for user ‘root’@’localhost’
Stop the current MySQL server instance: sudo service mysql stop. Use dpkg to re-run the configuration process that MySQL goes through on first installation. You will again be asked to set a root...
View ArticleHow to use Database Transactions in Codeigniter ?
In order to use transactions in your database queries. You need to use Codeigniter’s transaction methods provided by db library of Codeigniter. The basic snippet is as follows:...
View ArticleThe most useful and bestseller courses on Udemy you should consider
The Complete Web Developer Course 2.0 Learn By Doing – build 25 websites and real mobile apps using HTML, CSS, Javascript, PHP, Python, MySQL and a lot more. It’s most current, in-depth and exciting...
View ArticleSolved – Getting this SQL Error: GROUP BY incompatible with...
MySQL 5.7.5+ changed the way GROUP BY behaved in order to be SQL99 compliant (where in previous versions it was not). There is a good overview of the changes here. Unfortunately, this affects some core...
View ArticleInstalling a LAMP Web Server on Amazon Linux Web Server
To install and start the LAMP web server on Amazon Linux Connect to your instance. To ensure that all of your software packages are up to date, perform a quick software update on your instance. This...
View ArticleThings you must know before MySQL Interview
What are the HEAP tables in MySQL ? HEAP tables also known as Memory tables are tables taht present in the memory. When creating a HEAP table in MySql, we needs to specify the TYPE of table as HEAP....
View ArticleMongoDB for PHP Developers – A Beginner’s Guide
Introduction If you want to create a website using MongoDB and PHP, this article will help you to: Connect to a MongoDB database Save documents in a collection Query documents in a collection Perform...
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