In Oracle Fusion HCM, HDL (HCM Data Loader) is a powerful tool used for bulk data import and updates. It enables organizations to efficiently load and manage large volumes of HR data, including employee data, organization data, compensation data, and more.

HCM Data Loader (HDL) allows organizations to perform the following tasks:

1. Data Import: HDL enables the bulk import of data from external sources, such as spreadsheets or text files, into Oracle Fusion HCM. This can be helpful during system implementations, data migrations, or regular data updates.
2. Data Updates: HDL can be used to update existing data in Oracle Fusion HCM, making it easy to keep HR data current and accurate.
3. Data Deletion: HDL supports data deletion for specific records, making it possible to remove unwanted or outdated data from the system.
4. Data Transformation: Before loading data into Oracle Fusion HCM, HDL provides a way to transform and map data from the source format to the target format, ensuring that it aligns with the application’s data model.
5. Data Validation: HDL performs data validation checks before loading the data into the system, ensuring that the data is consistent and meets specific data quality requirements.
6. Integration with Other HCM Modules: HDL seamlessly integrates with other Oracle Fusion HCM modules, such as Core HR, Payroll, Benefits, and Talent Management, to facilitate data synchronization and support end-to-end HR processes.

HDL uses spreadsheet templates and the Human Resources Interface (HRI) Web Service to load and validate data. The spreadsheet templates are used to format the data to be loaded, and the HRI Web Service processes the data and performs the necessary validations before committing the data to the database.

Using HDL, HR professionals and administrators can efficiently manage HR data in bulk, saving time and effort compared to manual data entry or updates. It is especially beneficial for organizations that need to process large volumes of data or perform frequent data updates.

Oracle provides extensive documentation and resources to help users and administrators work with HDL effectively. These resources include HDL templates, guides, and support materials to facilitate the successful use of HDL in Oracle Fusion HCM implementations and ongoing data management tasks.