# Own Data

> The requirement that each service alone own and control its data store.

Record: `lexicon:own-data`
Kind: constraint
Layer: [Execution Core](https://banes-lab.com/records/layer/execution-core.md)
Canonical: https://banes-lab.com/ontology/lexicon#lexicon-own-data

Listed in [Lexicon terms](https://banes-lab.com/api/records/lexicon.md), after [Ordered Log](https://banes-lab.com/records/lexicon/ordered-log.md) and before [Publisher](https://banes-lab.com/records/lexicon/publisher.md).

## Category

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

## Required by

- [Autonomy](https://banes-lab.com/records/architecture/autonomy.md)

## Linked from

- [Core Modular Design](https://banes-lab.com/ontology/principles/architecture-category-core-modular-design.md)
- [Codebase / System Architecture Styles](https://banes-lab.com/ontology/principles/architecture-category-codebase-system-architecture-styles.md)