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Introduction to MySQL

What is MySQL?
MySQL is world's most popular open source relational database management system (RDBMS). It provides secure and effective way to manage your database applications.
MySQL is developed and supported by Oracle. It is an important component of web application software stack known as LAMP (Linux, Apache, MySQL, PHP/Perl/Python).


Applications of MySQLSome applications that uses MySQL are as follows: JoomlaYouTubeGooglefacebookTwitter Advantages of MySQL Some advantages of MySQL are as follows: Open source – MySQL comes under open source license. So, it is free to use.Cross-platform-It consists of simple and robust pre-defined commands.Support Unicode –It supports Unicode standard to express world's most languages. Cache query –It stores the cache data to serve future requests faster.
Disadvantage of MySQLSome disadvantages of MySQL are as follows:
Degradation of performance- The performance of MySQL degrades when it deals with large size data.Stability issue- Still, MySQL is …

Difference between HTML and XML

What is the difference Between HTML and XML?What is HTML?HTML stands for Hyper Text Markup Language. HTML defines the structure of the webpage by its tags. Tags are the basic building block of webpage. HTML is used to display data on the webpage. HTML is a data presentation technology. Browser displays the page by rendering the HTML tags. 


There are different tags constitutes the webpage like “title”, “paragraph”, ”heading”, “table” etc. The author of the HTML page uses these tags to build the HTML page. Author cannot make their own tags.  The tags of HTML are not case sensitive. The HTML tags have fix set of attributes. Author cannot define their own attributes. HTML does not preserves white spaces. HTML pages are static in nature. We use different technologies like CSS, JavaScript etc. to make HTML pages dynamic.
HTML tags also contain event attributes. These event attributes give some dynamic nature to the webpage. Actually the events have some JavaScript method attached which is ex…