> For the complete documentation index, see [llms.txt](https://orkhan.gitbook.io/typeorm/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://orkhan.gitbook.io/typeorm/docs/docs/guides.md).

# guides

- [Active Record vs Data Mapper](https://orkhan.gitbook.io/typeorm/docs/docs/guides/1-active-record-data-mapper.md)
- [Using Validation](https://orkhan.gitbook.io/typeorm/docs/docs/guides/3-validation.md)
- [Example using TypeORM with Express](https://orkhan.gitbook.io/typeorm/docs/docs/guides/4-example-with-express.md)
- [Using with JavaScript](https://orkhan.gitbook.io/typeorm/docs/docs/guides/5-usage-with-javascript.md)
- [Migration from Sequelize to TypeORM](https://orkhan.gitbook.io/typeorm/docs/docs/guides/6-sequelize-migration.md)
- [SQL Tag](https://orkhan.gitbook.io/typeorm/docs/docs/guides/7-sql-tag.md)