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Database
is a technique used to control concurrent access to shared data and prevent conflicts.
Record
What is the purpose of a transaction log in a database?
Redo Log
What is the purpose of concurrency control in databases?
Why is it important for databases to execute concurrent transactions?
Which of the following statements is true about database transactions?
Which property of ACID ensures that a transaction is treated as a single unit of work?
A database transaction is a sequence of
that are treated as a single logical unit.
The concept of isolation levels defines the degree to which one
must be isolated from the others.
Which of the following is true about database locks in transactions?
What does the 'I' in ACID stand for?
transaction scheduling
The ACID approach is commonly used in
management systems.
ACID approach
Consistency in the ACID approach means that the database remains in a valid
after a transaction.
The transaction log database stores information about
in chronological order.
Which property of ACID ensures that the database remains in a consistent state before and after the transaction?
Why is the ACID approach important in database management?
timestamp ordering
