Introduction of Data



What is Data?


Data is nothing, but facts and statistics are stored or free of charge on a network, usually it is raw and unused. For example: When you visit any website, they can store the IP address, which is the data, in return they can add a cookie to your browser, you can mark that you visited the website That's the data, your name, its data, your age, this is the data.

Information moves toward becoming data when it is prepared, transforming it into something important. Like, in light of the treat information saved money on client's program, if a site can break down that by and large men of age 20-25 visit us more, that is data, gotten from the information gathered.

What is a Database

Name itself demonstrates what it is. Database is a place/holder where every one of the information is put away. Be that as it may, what is information? In a database, even a littlest snippet of data moves toward becoming information. For instance, Student is an information, course is an information, and Color is an information, tallness, weight, nourishment everything is information. To put it plainly, all the living and non-living articles in this world is an information.

A database is a collection of data related to the way data can be easily accessed, managed and updated. Database based software or hardware may be based, with the sole purpose, collecting data.

Why we need data?


We require information with the goal that we can perform different activities on them. Let's assume, we don't have any database and we need to record what is the tallness and weight of an infant in a year. What we do is note it in a bit of paper each month. Toward the finish of the specific time frame or year, we would check up on the off chance that he/she is developing accurately. On the off chance that some section isn't right or immaterial, we redress it or strike it off. Same is finished utilizing database. We would store all these data in the database. In the event that we need to check the development, we would pull the data from the database, on the off chance that we have to change any data, we can refresh/erase them. However, every one of the information will be at one place - Database.

What type of data is stored in database?

In a database, we would aggregate just related information together and putting away them under one gathering name called table. This aides in distinguishing which information is put away where and under what name. It decreases an opportunity to look for a specific information in an entire database. For instance, Student, Teacher, Class, Subject, Employee, Department and so forth frame singular tables.


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