# In-Place Mutation

> Overwriting existing records in place where an append-only log is required, destroying history.

Record: `lex:in-place-mutation`
Kind: anti-pattern
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lex-in-place-mutation

## category

- [Event Messaging Async](https://banes-lab.com/records/lex-category/event-messaging-async.md)

## referenced-by

- [Append-Only Log](https://banes-lab.com/records/arch/append-only-log.md)