Course Content

  • Database

Course Content


A database is a logically organised collection of structured data kept electronically in a computer system. A database management system is usually in charge of a database (DBMS). The data, the DBMS, and the applications that go with them are referred to as a database system, which is commonly abbreviated to just database. To make processing and data querying efficient, data in the most common types of databases in use today is often described in rows and columns in a sequence of tables. Data may then be accessed, managed, updated, regulated, and organised with ease. For writing and querying data, most databases employ structured query language (SQL).

A relational database is a system of data storage and retrieval that allows users to store and retrieve data in a way that it can be related to other pieces of data. A non-relational database is a system of data storage that does not require the user to have any knowledge of how the underlying structure relates to the stored data.

In order to write code that can access a database, you first have to install a database engine. There are many database engines to choose from, but once you have installed one, it's fairly easy to create a database and tables.

We all know that Python can be used for a wide range of tasks, but what use is it if the data is only stored in text files? SQLite is a database engine which can be used to store information, for example for an application. It's worth mentioning that it's not only databases which are suitable for storing python data.

Python is a programming language that can be used for many different purposes. One of the most popular databases that can be installed in Python is MongoDB. In comparison to other databases, it is more simple, light-weight and easy to use. It uses JSON for its data storage which provides a flexible schema so developers can add new fields without causing any changes to prior data.

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