You're not supposed to copy things from other sites so it won't be easy to do. But you can save the image to your computer then upload it here using the paperclip icon.
XML is a short for Extensible Markup Language. It is a markup language like the Hypertext markup language (HTML) and are both used in the development of web applications. However while the HTML describes the content of the Web page that is the graphics, images and videos and how they are displayed, the XML handles the description of data and information formats, their storage and the transportation and sharing over the internet.
Explanation:Someone caught a video of birds falling dead out of the sky because of the radiation from the 5g towers. There is enough radiation to make your eyes melt before you get close to it.
Relational Database is the type of database in which data is stored and presented in the form of tables and it is used to access, manipulate and manage data.
Table is also called a relation. It consists of rows and columns where rows represent a record of data and columns represent the attributes of the data.
Every table has a primary key which uniquely identifies a row in a table and a foreign key is used to establish relationships among tables.
In relational database domain is used to define specify the possible values that an attribute can have.
Constraints can also be applied to the values of the attributes in the table.
There are many advantages of a relational database.
It can organize and manage bulk of information.
It is easy to add or delete data in the relational database according to the change in requirements.
Relational database ensures the consistency and integrity of data when many users obtain the same database at same time by using concurrency control methods.
It ensures security by limiting access rights to the data.
It also eliminates data redundancy and dependency using normalization technique which ensures data integrity and accuracy.
