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Showing posts with label alternate index. Show all posts
Showing posts with label alternate index. Show all posts
Sunday, 21 April 2019

Which VSAM Data Set Should You Use? KSDS, ESDS, RRDS, LDS

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A customer master addressed by account number points to KSDS. A work queue consumed in arrival order points to ESDS. A table addressed ...

VSAM Data Set Types: KSDS, ESDS, RRDS, VRRDS, and LDS

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A batch program needs to retrieve a customer by account key, a log reader needs records in load order, and a relative file needs direct acce...
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