What is a multi-user database?

A multi-user database is designed to allow multiple users to access and manipulate data simultaneously. This capability is crucial for environments where collaboration and real-time data sharing are essential, such as in organizations or teams where several individuals need to input, modify, or analyze data concurrently. The architecture of a multi-user database typically includes mechanisms for managing concurrent access to ensure data integrity and consistency, such as locking, transactions, and version control.

In contrast, databases restricted to a single user may enhance security but limit collaborative interactions. Similarly, databases focused on organizing historical data may serve specific analytical purposes but do not inherently provide the functionality for multiple users to engage with the data at the same time. Lastly, databases meant for offline usage only do not facilitate real-time access or concurrent manipulation, as they are designed for environments where continuous network connectivity cannot be ensured.

Thus, the definition and functions attributed to a multi-user database clearly align with the needs of collaborative and concurrent data management scenarios.