Locking, Concurrency, and Isolation

This section discusses topics pertinent to multi-user systems, in which concurrency is important. Derby is configured by default to work well for multi-user systems. For single-user systems, you might want to tune your system so that it uses fewer resources; see Lock Granularity.

• Isolation Levels and Concurrency
• Configuring Isolation Levels
• Lock Granularity
• Types and Scope of Locks in Derby Systems
• Deadlocks