Data set (IBM mainframe): Difference between revisions

Revision as of 01:18, 19 May 2022

Revision as of 12:28, 19 May 2022

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===GDG JCL & features===

Generation Data Groups are defined using either the [[IDCAMS]]BLDG utility,statement<ref name=How2>{{cite webmanual

| title = OS Utilities

| id = GC28-6586-15

| date = April 1973

| edition = Sixteenth

| section = BLDG (Build Generation Index) Statement

| section-url = http://bitsavers.org/pdf/ibm/360/os/R21.7_Apr73/GC28-6586-15_OS_Utilities_Rel_21.7_Apr73.pdf#page=269

| page = 269

| url = http://bitsavers.org/pdf/ibm/360/os/R21.7_Apr73/GC28-6586-15_OS_Utilities_Rel_21.7_Apr73.pdf

| work = Systems Reference Library

| publisher = [[IBM]]

| access-date = May 19, 2022

}}

</ref> of the IEHPROGM utility or the DEFINE GENERATIONGROUP statement<ref>{{cite manual

| title = OS/VS Access Method Services

| id = GC26-3836-1

| date = May 1974

| edition = Second

| section = Defining a Generation Data Group

| section-url = http://bitsavers.org/pdf/ibm/370/OS_VS2/Release_2_1973/GC26-3836-1_OS_VS_Access_Method_Services_May1974.pdf#page=107

| pages = 107-110

| url = http://bitsavers.org/pdf/ibm/370/OS_VS2/Release_2_1973/GC26-3836-1_OS_VS_Access_Method_Services_May1974.pdf

| work = Systems

| publisher = [[IBM]]

| access-date = May 19, 2022

}}

</ref> of the newer [[IDCAMS]] utility,<ref name=How2>{{cite web

|title=IBM How to create and use Generation Data Groups (GDG)

| website=[[IBM]] | date=2 March 2012 |url=https://www.ibm.com/support/docview.wss?uid=swg21422334