Concurrency Control in Database Management Systems Quiz

To coordinate the simultaneous execution of transactions while preserving data integrity (correct)

To optimize database performance

To eliminate data redundancy

To reduce database storage space

A data update is lost during the concurrent execution of transactions (correct)

An update that increases data consistency

An update that is applied twice to the same data

An update that is rolled back automatically

Data that is permanently stored in the database

A transaction accesses uncommitted data from another transaction (correct)

Data that is isolated from other transactions

Data that is consistent across all transactions

<p>To prevent users from accessing incomplete or incorrect data</p> Signup and view all the answers

<p>One transaction updating data while another is reading it</p> Signup and view all the answers