What is concurrent transaction? What is the condition for occurrence of conflicting operations in transactions? Give an example illustrating conflicting operations of concurrent transaction.

Concurrent transaction refers to the ability of a database management system to execute multiple transactions at the same time. In other words, concurrent transactions occur when two or more transactions access the same data concurrently.

Concurrency control is an essential aspect of any database system that allows for concurrent transactions. The purpose of concurrency control is to ensure that the execution of multiple transactions does not result in inconsistent or incorrect data. This is typically achieved through various techniques, such as locking, timestamps, and multiversion concurrency control.

When two transactions execute concurrently, they may potentially conflict with one another. For example, if two transactions try to modify the same data item simultaneously, one of them may overwrite the changes made by the other, resulting ______ ___ ____ ____ ___ ___ _______ _____ _____.
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