Database Synchronization
Database synchronization is the process of ensuring that data across multiple databases or database instances remains consistent and up-to-date. It involves replicating changes (inserts, updates, deletes) from a source database to one or more target databases, often in real-time or near-real-time, to support distributed systems, backups, or high availability. This concept is critical for applications requiring data consistency across different locations, devices, or platforms.
Developers should learn database synchronization when building distributed applications, such as mobile apps with offline capabilities, multi-region web services, or systems requiring disaster recovery and failover. It is essential for scenarios like synchronizing user data across devices, maintaining consistency in microservices architectures, or ensuring data integrity in cloud-based solutions where latency and network issues can cause discrepancies.