MERCADOS FINANCIEROS

jueves, 8 de abril de 2010

Running the DBVERIFY Utility

Running the DBVERIFY Utility

The DBVERIFY program is an external command-line utility that performs a physical data structure integrity check on an offline datafile. Use DBVERIFY primarily when you need to ensure that a user-managed backup of a datafile is valid before it is restored or as a diagnostic aid when you have encountered data corruption problems.

The name and location of DBVERIFY is dependent on your operating system. For example, to perform an integrity check on datafile tbs_52.f on UNIX, you can run the dbv command as follows:

% dbv file=tbs_52.f
Sample dbv output follows:

DBVERIFY - Verification starting : FILE = users01.dbf


DBVERIFY - Verification complete

Total Pages Examined : 250
Total Pages Processed (Data) : 1
Total Pages Failing (Data) : 0
Total Pages Processed (Index): 0
Total Pages Failing (Index): 0
Total Pages Processed (Other): 2
Total Pages Processed (Seg) : 0
Total Pages Failing (Seg) : 0
Total Pages Empty : 247
Total Pages Marked Corrupt : 0
Total Pages Influx : 0

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