Category Archives: Web Development

SQL JOINS

Hi all, The SQL joins are used for combine rows from two or more table based on a common field between them.We are discuss this topic today. It fetch data from two or more tables and which is joined to appear as single set of data. Join Keyword is used in SQL queries for joining… Read More »

Truncate, Drop and Rename a Table- SQL

Hi all, Here I share some useful information in sql queries like truncate command, drop command alter command. These is more helpful in MYSQL operations. For delete complete data from an existing table using TRUNCATE command. And also delete the data inside the table. For delete a table using DROP command. It helps to remove… Read More »

Sorting Arrays – PHP

Welcome to all, Today we practise how to sort an array using php. We know this same problem solving using C, CPP or JAVA etc. But here I share how to solve this problem in php. To arrange the elements in an array in numerical order from highest to lowest values (descending order) or lowest… Read More »

AND and OR Operators – SQL

Hi Guys, Today we share our idea related to AND and OR operator with example. The AND and OR operators are the conditional operator in SQL. It is used to filter the data or records based on conditions. The main difference between AND and OR operators are: the AND operator displays a record if both… Read More »

MYSQL Functions

Hi all, Welcome to MYSQL functions tutorial. MYSQL functions are useful while performing mathematical calculations, string concatenations, sub-strings etc. SQL provides many built in functions to performe these functionality or performing calculations on data. The most commonly used MySQL functions including: Aggregate functions String functions Date time functions control flow functions Aggregate Functions The aggregate… Read More »

Uses of session_id() in PHP

Hi all, In one of the recent web developer interview, one of them are ask to me “what are the uses of session_id() in php and what are the purpose.” Session_id() is one of the inbuilt function in PHP. The session_id() will be used to track existence of same user across all the pages of… Read More »

Category: PHP