COBOL - VSAM - Menu principal - www.cadcobol.com.br
Desenvolvido por DORNELLES Carlos Alberto - Analista de Sistemas - Brasília DF. - cad_cobol@hotmail.com
COBOL - VSAM - Menu principal
Processing VSAM files
VSAM files
Defining VSAM file organization and records
Specifying sequential organization for VSAM files
Specifying indexed organization for VSAM files
Using alternate keys
Using an alternate index
Specifying relative organization for VSAM files
Fixed-length and variable-length RRDS
Using variable-length RRDS
Specifying access modes for VSAM files
Example: using dynamic access with VSAM files
Defining record lengths for VSAM files
Defining fixed-length records
Defining variable-length records
Coding input and output statements for VSAM files
Opening a file (ESDS, KSDS, or RRDS)
Opening an empty file
Statements to load records into a VSAM file
Opening a loaded file (a file with records)
VSAM data sets: KSDS, ESDS, RRDS
VSAM Data Set Types
Reading records from a VSAM file
Updating records in a VSAM file
Adding records to a VSAM file
Replacing records in a VSAM file
Deleting records from a VSAM file
Closing VSAM files
Handling errors in VSAM files
Protecting VSAM files with a password
Example: password protection for a VSAM indexed file
Working with VSAM data sets under z/OS and z/OS
Defining VSAM files
Creating alternate indexes
Example: entries for alternate indexes
Allocating VSAM files
Sharing VSAM files through RLS
Preventing update problems with VSAM files in RLS
Handling errors in VSAM files in RLS mode
Improving VSAM performance
File Status
File Status - Guia de Referência
VSAM IBM perguntas e respostas
VSAM IBM FILES ESDS KSDS RRDS