What is a database? What is SQL?
Before starting to learn deeply about the Database and the role of SQL when managing and operating the Database, we need to understand the following basic concepts.
What is data?
Data is all the information of things that we collect. This information will accurately reflect things from many different angles and be used for research and analysis purposes. Data can be any index (name, age, height, weight, etc.) and can be in any form (photograph, image file, pdf, etc.)
What is a database?
A database is a systematic collection of data. A database is used to store and distribute data, thereby making data management more efficient and systematic. Here are some examples to help you better understand the use of Databases. You can also go through some of the following examples to better understand Databases.
Steam stores data about the types of games you often play, email address, date of birth, gender to recommend games that best match your interests. Facebook is the largest social network today, which means that the amount of data that Facebook needs to store is enormous. The data Facebook holds the user’s personal information, preferences, behavior when joining Facebook, and messages and other data related to advertising.
What is a database management system?
A Database Management System is a collection of programs that allow users to access a Database. In addition to controlling access to the Database, the system also allows users to extract and use data for various purposes such as analysis, assessment, and reporting.
The database management system is not a new concept in the world. This system was first put into use in the 60s of the last century. With the advancement of technology, database management software has been upgraded a lot compared to the past. Currently, developers focus more on User Experience (UX) with more accessible, faster use, but still necessary features.