# guides

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