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A foreign key in MySQL is basically a column or group of columns in a table that does the work of linking to a column or group of columns in another table. This key generally places constraints on the data in the related table that usually allows MySQL to maintain referential integrity. The relationship that exists between the customer's table and the Orders table is basically one-to-many. And this is the relationship that has been established by the foreign key in the orders table that has been specified by the customer number column. The customer's table is also known as the parent table or referenced table, and the orders table is generally called as the child table or referencing table. How to create Foreign Key? In order to create this, the user has to use the basic syntax of defining a foreign key constraint in the CREATE TABLE or ALTER TABLE statement that is as depicted below: [CONSTRAINT constraint_name] FOREIGN KEY [foreig...

Ajax Tutorial for Beginners In order to learn the concept grasping knowledge that is needed for this very topic is available on all of the AJAX Tutorial that is generally available on the web and that too in abundance. This is generally an abbreviation that basically elaborates to Asynchronous JavaScript and XML.  In the abbreviation, XML is rarely meant to be of any use but in terms of developing the web applications, it is basically used to perform the asynchronous things that are like updating a page, making actions, etc.  This is all about updating the sections of a webpage in a way that the need for reloading the pages gets eliminated. This is the very technology that basically relies on a bunch of technologies. The user or the programmer doesn’t have to an expert in all of these technologies just a little background knowledge will do the job. Ajax’s Anatomy? There are numerous technologies that are generally involved in this very technical an...

RankBrain in SEO RankBrain in SEO RankBrain is generally known as a component of Google’s core algorithm that generally uses the  machine learning (it is basically the ability of machines to teach themselves from the data inputs of the  users) in order to determine the most relevant results that are used to search engine queries.  Google  basically utilized its basic algorithm in order to determine which results are to be shown for a given  query, this was done before the invention of the rank brain. After the development of this technique, the query now gets through an interpretation model that is  known to apply possible factors like the location of the searcher, personalization, and the words that are  included in the query to determine the searcher’s true intent or motive. Just by discerning this true motive  the search engine like Google can deliver more relevant results. The machine learning aspect of this new tech...

PHP Projects Download PHP projects As a matter of fact, PHP generally elaborates to the Pre-Processor Hypertext is basically a server-side a scripting language that is viewed as the most ideal language for the purpose of the website building that is dynamic. At our website, students or even the professional can get free projects that are available on various topics according to their varying interests. Each and every task that is generally listed on the web is well designed and developed for the users in order to make them understand the concept of the language for the duration of completing the website development. It could be useful for students or learners similarly in order to pick up some of the essential thoughts before the beginning of any task. What are these Projects are made of? As we know that web development is tricky and PHP programming is a significant piece of Web development component that makes it less difficult and simpler with our PHP project...

PHP Project Free Download with Source Code PHP projects PHP is a server-side scripting language that is used to construct a static or dynamic web application. It is one of the favorite languages of web developers. According to the report, It is used on almost every website. Our purpose is to build all PHP projects PHP Projects aims to build new interactive and attractive web applications Php projects as expected by the users.  At PHPTPOINT , we provide projects that allow beginners or professionals to understand the source code of PHP easily. We provide the projects currently needed in the corporate sector because it is easier, cheaper, stylish, user-friendly and looks better. It takes less time and operates smoothly during the execution. Students can choose projects topic from the given list and download PHP projects online with source code. We offer free and paid projects according to client requirements 1      Stud...

MySQL Tutorial for Beginners MySQL tutorial MySQL was developed by MySQL AB, a Swedish company formed in 1995. In 2008, MySQL AB announced that Sun Microsystems had agreed to purchase it for around $1 billion. MySQL is RDMS(Relational Database Management System).  It's a free open source SQL database management system and storing information for your website and directly use PHP to access that material and it's very easy for beginners to learn MySQL for MySql Tutorial for Beginners. It is fast, reliable and user-friendly. MySQL is a cross-platform that operates on a computer. There are different Types Of Keys that are used in Database Candidate Key - The candidate keys in a table are specified as the minimum set of keys, and can identify any data row in the table uniquely. Primary Key - It is chosen from one of the candidate keys and becomes a table's identifying key. Super Key - It is the main key Superset. It includes a set of attributes...

Events in JavaScript javascript events JavaScript's interaction that is generally with the HTML is basically handled by the help of the events that generally occur when the user or the browser is manipulating a page. Whenever the page gets loaded, this  is known as an event. Whenever the user usually clicks a button even that click too is an event. Some  other examples generally include events just like pressing any key, closing a window, resizing a window, and the list goes on. Web Developers can generally use these types of events in order to execute JavaScript coded responses that are responsible for the buttons to close windows, messages to be displayed to users, data to be validated, and lastly the virtually any other type of response that is imaginable. JavaScript Events are basically a part of the Document Object Model (DOM) Level 3 and also every An HTML element that generally contains a set of events that can trigger JavaScript Code. In ord...