adabas - essentials

By attending Adabas - Essentials workshop, delegates will learn to:

  • Identify the major structures of ADABAS
  • Explain the organization of data within the database, including compression, null suppression and ISN
  • Identify the major access paths to data including indexes, inverted lists and ADABAS’s address converter
  • Identify the major components of the interface between application programs and ADABAS control blocks and use of calling buffers
  • Evaluate the overhead for major commands accessing and modifying the database
  • Identify the components of the nucleus which directly affect its performance and that of database programs

Adabas - Essentials Training course covers the major features of ADABAS datasets and their interaction while emphasizing those features which directly affect database performance.

For Adabas - Essentials

  • Working knowledge of sequential and keyed access to data files

  • Programmers
  • Analysts
  • Designers
  • Database Administrators
  • Database Technicians
  • Experienced Adabas database administrators

COURSE AGENDA

  • Data Storage Overview
    • Fields
    • Descriptors
    • Formats
  • Adabas Data Compression
    • Compression Overview
    • Types of Adabas Data Compression
  • Overview
  • Adabas: The Adaptable Database management system
  • Adabas Structure vs. RDBMS
  • Adabas Architecture
  • Associator Overview
    • Associator Components
  • Understanding the Inverted List
    • Relationship with Data Storage
    • Descriptor Review
    • How the Inverted List works
  • Other Associator Structures
    • Address Converter
    • General Control Block (GCB)
    • File Control Block (FCB)
    • Free Space Table (FST)
  • Work Overview
  • Work Part I: Autorestart
  • Work Part II: Complex Search Resolution
  • Work Part III: ISN List Storage
  • Utilities Overview
  • AdaRep
  • Types of Direct Calls
  • Processing the call
  • Calling Adabas
  • Control Block
  • Buffers
  • Response Codes
  • Natural Overview
  • Natural and. Direct Calls