Cashier Incharge Interview Questions and Answers

Transaction logs are records of all transactions made in a system or application.

• Transaction logs are used to track and monitor all activities within a system or application.

• They can be used to troubleshoot issues and identify errors or discrepancies.

• Transaction logs can also be used for auditing and compliance purposes.

• Examples of transaction logs include server logs, database logs, and application logs.

Optimistic locking assumes no conflicts while pessimistic locking assumes conflicts may occur.

• Optimistic locking allows multiple transactions to access the same data simultaneously, assuming that conflicts are rare.

• Pessimistic locking prevents multiple transactions from accessing the same data simultaneously, assuming that conflicts are likely to occur.

• Optimistic locking is useful when conflicts are rare and the cost of locking is high.

• Pessimistic locking is useful when confl...read more