Database basics
A database is an organized collection of data that is stored and managed on a computer. It allows for efficient storage, retrieval, and management of data, which can be used for a wide range of applications, such as websites, mobile apps, financial systems, and more. A database consists of one or more tables that contain related data. Each table contains rows and columns, where the columns represent the attributes or fields of the data, and the rows represent the individual instances or records of the data. There are many different types of databases:
- Relational databases: These are the most common type of database, where structured data is organized in a tabular format with rows and columns. Data is organized into tables, and relationships between tables are established through keys.
- NoSQL databases: These databases are designed to handle unstructured or semi-structured data that cannot be easily organized into tables. Instead, they use document-based,...
