On principle, the features and examples contained in the document Accessing Data in an Adabas Database also apply to VSAM databases.
Differences, if any, are described in the documents for the individual database access statements (see the Statements documentation) in paragraphs named Database-Specific Considerations or in the documents for the individual Natural parameters (see the Parameter Reference).
For detailed information, refer to the following add-on product description in the Database Management System Interfaces documentation: