Introduction to ADABAS Essentials

This section introduces SAS users to ADABAS, Software AG's database management system (DBMS). The section focuses on the following terms and concepts:
  • the ADABAS DBMS and ADABAS databases
  • ADABAS files, NATURAL Data Definition Modules, and ADABAS descriptors (indexes)
  • ADABAS data fields and ADABAS and NATURAL data formats and lengths
  • null (missing) values
  • ADABAS Security and NATURAL SECURITY System options
If you want more information about an ADABAS concept or term than this section provides, see the ADABAS information about your system.