what is database and How its work ? What is a Database? A database is an organized collection of data that is stored and accessed electronically. Databases are used to store, manage, and retrieve information efficiently. They can be as simple as a text file or as complex as a distributed system spanning multiple locations. Databases are managed by Database Management Systems (DBMS) , which provide the necessary tools and functionalities for data manipulation and retrieval. How Does a Database Work? A database works through a combination of hardware, software, data, procedures, and users. Here is a high-level overview of how a database operates: Data Storage : Data is stored in tables, which consist of rows (records) and columns (fields). Each table represents a specific entity (e.g., customers, orders, products). Data Management : The DBMS handles the organization, storage, retrieval, and updating of data. It ensures data integrity, security, and performance. Query Processing :...
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