324Introduction to the New Mainframe: z/VSE Basics
Database space allocation
Before a database can be loaded and processed, it must be defined to VSAM
using the Access Method Services utility functions. Example12-4 shows how the
data set for the skills inventory database can be allocated.
Example 12-4 Define cluster
// JOB DEFCLUS - DEFINE VSAM data set FOR DATABASE SKILINV
// EXEC IDCAMS,SIZE=AUTO
DEFINE CLUSTER ( -
NAME(SAMPLE.SKILLS) -
NONINDEXED ) -
DATA ( -
NAME(SKILL) -
VOLUMES(SYSWRK) -
CYL(1 1) -
CNVSZ(2048) -
RECSZ(2038 2038))
/*
/&
Online nucleus generation
If you want to run DL/I applications in an online environment, ...
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