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May 28, 2019 PHP, PHP, Technology 0 Comments

All you need to know about PHP7

I have recently started writing article on medium.com which is becoming very popular portal for all kind of useful technical/non-technical information/articles.

Recently I have written article all about PHP7, tried to give detail information on why we need to upgrade to PHP7, importance of PHP7, security and its newly added features.

Article is divided in 2 parts to cover all information, please visit below links to read detail article.

PHP7 Part 1 – https://medium.com/@sandykadam/php-all-you-need-to-know-about-php-7-af0b94677697

PHP7 Part 2 – https://medium.com/@sandykadam/all-you-need-to-know-about-php-7-x-part2-a7be673a4469

Please click on “Clap” icon below the article on medium.com site & follow me and if you like it then please share with your friends.

Website Content Management System

opensource cmsSo, Do you want to make your own website? Great, for this you need to aware of some Internet technology terms and programming languages. Content Management System (CMS) is easy tool to develop or maintain your website. So now you must be thinking what is a Content management system? How we can install it? which programming language it uses? and many more questions. In this blog I have tried to explain the concept of CMS and some popular CMS in opensource technology.

So what is a Content Management System? Wikipedia definition is something like this:

A content management system (CMS) is the collection of procedures used to manage work flow in a collaborative environment. These procedures can be manual or computer-based. The procedures are designed to do the following:

Drupal Interview Questions – Part 1

All about drupal1. What is Drupal ?
Drupal is an open-source platform and content management system for building dynamic web sites offering a broad range of features and services including user administration, publishing workflow, discussion capabilities, news aggregation, metadata functionalities using controlled vocabularies and XML publishing for content sharing purposes. Equipped with a powerful blend of features and configurability, Drupal can support a diverse range of web projects ranging from personal weblogs to large community-driven sites.

2. What is a CMS ?
A content management system (CMS) is a collection of procedures used to manage work flow in a collaborative environment. These procedures can be manual or computer-based. The procedures are designed to:
— Allow for a large number of people to contribute to and share stored data
— Control access to data, based on user roles. User roles define what information each user can view or edit
— Aid in easy storage and retrieval of data
— Reduce repetitive duplicate input
— Improve the ease of report writing
— Improve communication between users

What is an Open source software ?

what is opensourceOpen-source software (OSS) is computer software for which the source code and certain other rights normally reserved for copyright holders are provided under a software license that meets the Open Source Definition or that is in the public domain.This permits users to use, change, and improve the software, and to redistribute it in modified or unmodified forms. It is very often developed in a public, collaborative manner.

Open source doesn’t just mean access to the source code.
The distribution terms of open-source software must comply with the following criteria:
1. Free Redistribution
The license shall not restrict any party from selling or giving away the software as a component of an aggregate software distribution containing programs from several different sources. The license shall not require a royalty or other fee for such sale.

December 24, 2011 MySql, MySQL 0 Comments

MySQL Interview Questions – Part 1

1) What’s MySQL ?
MySQL (pronounced “my ess cue el”) is an open source relational database management system (RDBMS) that uses Structured Query Language (SQL), the most popular language for adding, accessing, and processing data in a database. Because it is open source, anyone can download MySQL and tailor it to their needs in accordance with the general public license. MySQL is noted mainly for its speed, reliability, and flexibility. …

2) What is DDL, DML and DCL ?
If you look at the large variety of SQL commands, they can be divided into three large subgroups. Data Definition Language deals with database schemas and descriptions of how the data should reside in the database, therefore language statements like CREATE TABLE or ALTER TABLE belong to DDL. DML deals with data manipulation, and therefore includes most common SQL statements such SELECT, INSERT, etc. Data Control Language includes commands such as GRANT, and mostly concerns with rights, permissions and other controls of the database system.

3) How do you get the number of rows affected by query?
SELECT COUNT (user_id) FROM users would only return the number of user_id’s.

4) If the value in the column is repeatable, how do you find out the unique values?
Use DISTINCT in the query, such as SELECT DISTINCT user_firstname FROM users; You can also ask for a number of distinct values by saying SELECT COUNT (DISTINCT user_firstname) FROM users;

5) How do you return the a hundred books starting from 25th?
SELECT book_title FROM books LIMIT 25, 100. The first number in LIMIT is the offset, the second is the number.