Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-11-08
2009-11-24
Lu, Kuen S (Department: 2156)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000
Reexamination Certificate
active
07624127
ABSTRACT:
The present invention increases the efficiency of dynamically, reusable computer environments by first retrieving data set information from a volume table of contents (VTOC) to ensure its consistency with the catalog. After obtaining the necessary information about the data sets, control statements are generated and appropriate programs invoked to perform the desired maintenance operations. Reinitializing and reconfiguring the reusable computer environment by starting with the VTOC prevents post-maintenance issues such as a data set with an entry in an integrated catalog facility (ICF) catalog while the data set no longer exists on a volume, a cataloged virtual storage access method (VSAM) cluster with disassociated DATA or INDEX data sets, and a data set catalog entry that has been scratched while the data set still exists on a volume. The present invention saves time and money by preventing such problems up-front instead of correcting them after-the-fact.
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International Business Machines - Corporation
Kunzler & McKenzie
Lu Kuen S
Nguyen Loan T
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