Transactions processing and Concurrency Control
Transactions processing and Concurrency Control
ACID properties
- A transaction is understood as a unit of program execution that accesses and possibly updat...}
Transactions processing and Concurrency Control
Concurrent Executions
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Multiple transactions are allowed to run concurrently in the system. The advantages of...}
Transactions processing and Concurrency Control
Serializability Concept
- A schedule S is serial if, for every transaction T participating in the schedule, all the o...}
Transactions processing and Concurrency Control
Lock Based Protocols
- A lock is simply a mechanism to control concurrent access to data item. Concurrency control...}
Transactions processing and Concurrency Control
Deadlock handling and Prevention
- System is said to be deadlocked if there is a set of transactions in such a way that every...}