Difference between database and database management system
Database:
A database is an organized collection of structured data that is stored and managed in a way that permits efficient retrieval, manipulation, and analysis. A database is a repository for storing and organizing a wide range of data, including text, numbers, images, and so on.
The database provides a central location for storing and accessing data, allowing multiple users or applications to interact with it simultaneously.
The characteristics of a database are as follows:
Structured Data:
Data stored in a database is organized and formatted in a predefined manner, typically via tables, fields, and records.
Data independence:
A database separates the logical representation of data from the underlying physical storage. This enables applications to interact with the data using a standardized interface without worrying about the underlying storage infrastructure.
Data Integrity:
It is crucial to ensure data integrity by enforcing data consistency, accuracy, and validity. A variety of integrity constraints are used to maintain data quality and reliability, such as unique key constraints and referential integrity constraints.
Data Security:
The security of data in databases is made possible through access control mechanisms, encryption techniques, and user authentication. This ensures that sensitive data remains confidential, secure, and readily accessible.
Concurrent Access:
The database supports concurrent access by multiple users or applications. This is done by implementing concurrency controls such as locking and transaction management to protect data integrity and prevent conflicts from arising from simultaneous accesses to the database.