Day One

Introduction

• VSAM Space Concepts
• CIs and CAs
• ESDS, KSDS, RRDS
• RBAs
• JCL for VSAM data sets
• Catalog Hierarchy

Entry Sequenced Data Sets (ESDS) and Access Method Services (AMS)

• ESDS Characteristics
• Introduction to AMS
• DEFINE CLUSTER, REPRO, PRINT, DELETE commands
• Computer Exercise: ESDS and AMS

Job Alternatives

• Single versus multiple steps and jobs
• JES2 vs. JES3

Key Sequenced Data Sets (KSDS)

• Sequence Set and Index Set
• Free Space
• CI splits and CA splits
• DEFINE CLUSTER for KSDS
• LISTCAT Command
• Computer Exercise: KSDS and AMS

VSAM and PL/I

• Processing ESDS from PL/I
• Processing KSDS from PL/I
• Partial key requests (generic key)
• The DELETE verb in PL/I
• Condition checking
• Computer Exercise: PL/I and KSDS

Day Two

Alternate Indexes

• AIX Concepts
• DEFINE AIX, BLDINDEX, DEFINE PATH Commands
• Computer Exercise: AIX and AMS

Using Alternate Indexes in PL/I

Relative Record Data Sets (RRDS)

• RRDS Concepts
• Randomizing Algorithms
• DEFINE CLUSTER for RRDS
• PL/I and RRDS
• Computer Exercise: Random Processing of an RRDS

Extra exercise:

• Computer Exercise: PL/I and AIX