What does Two-Phase Commit (2PC) coordinate across?

Problem Statement

Explanation

2PC uses a prepare phase to ensure all participants can commit, then a commit phase to finalize atomically. It provides ACID across systems at the cost of latency and blocking under failures. Modern systems also use consensus replication to achieve similar guarantees.

Code Solution

SolutionRead Only

-- Coordinator: PREPARE TRANSACTION 'tx1'; then COMMIT PREPARED 'tx1';

Practice Sets

This question appears in the following practice sets:

Transactions, Concurrency & Isolation

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What does Two-Phase Commit (2PC) coordinate across?

Problem Statement

Explanation

Code Solution

Practice Sets

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What does Two-Phase Commit (2PC) coordinate across?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which SQL statement retrieves all columns and rows from a table named employees?

Which clause filters rows before aggregation and affects which rows are grouped?

What is the default sort order when ORDER BY is used without ASC or DESC?

Which construct is commonly used to paginate results in SQL engines like Postgres and MySQL?

Which predicate correctly checks for missing values in standard SQL?

More from SQL & Databases

Master Interviews
Anywhere, Anytime