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4 changes: 2 additions & 2 deletions packages/adapter-sql-js/README.md
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A development package for PowerSync which uses [SQL.js](https://sql.js.org/#/) to provide a pure JavaScript SQLite implementation.
This eliminates the need for native dependencies and enables seamless development with Expo Go and other JavaScript-only environments.

This adapter is specifically intended to streamline the development workflow and will be much slower than DB adapters that use native dependencies.
This adapter is specifically intended to streamline the **development workflow** and will be much slower than DB adapters that use native dependencies.
Every write operation triggers a complete rewrite of the entire database file to persistent storage, not just the changed data.
In addition to the perfomance overheads, this adapter doesn't provide any of the SQLite consistency guarantees - you may end up with missing data or a corrupted database file if the app is killed while writing to the database file.
In addition to the performance overheads, this adapter doesn't provide any of the SQLite consistency guarantees - you may end up with missing data or a corrupted database file if the app is killed while writing to the database file.

For production use, when building React Native apps we recommend switching to our [react-native-quick-sqlite](https://www.npmjs.com/package/@journeyapps/react-native-quick-sqlite) or [OP-SQLite](https://www.npmjs.com/package/@powersync/op-sqlite) adapters when making production builds as they give substantially better performance.

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