Glossary — in plain language

Transaction


In plain English

A transaction is a group of changes that must all succeed or all fail together — never half-done. You start one, do several statements, then COMMIT (keep it all) or ROLLBACK (undo it all).

Why it matters

Transactions give you the “all or nothing” guarantee (atomicity). But a transaction left open too long holds locks and blocks cleanup — one of the most common production problems.

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