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## 18.5.8.4 BOSS REST Data Source Runtime Features

Learn about BOSS REST Data Source runtime features.

At runtime, a REST Data Source based on a BOSS REST endpoint supports pagination, data filtering, ordering, and lost update protection. In addition, it also supports enabling total results computation and disabling bulk DML when needed.

- Pagination and Total Results Computation
  Learn about BOSS REST Data Source Pagination and total results computations.
- Data Filtering
  Learn about data filtering operations.
- Data Ordering
  Learn about how the APEX delegates data ordering.
- Lost Update Protection
  Learn about BOSS REST Data Source lost update protection.
- ETag Support
  Learn about ETag support.
- Bulk DML
  Learn about support for Bulk DML.
- Validation Errors Display as APEX Errors Automatically
  Learn about the display of validation errors.

Parent topic: Working with Oracle Cloud Applications BOSS REST Services