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Oracle Streams
Chapter 7 -
Monitoring and Troubleshooting Oracle Streams

v$archived_log

Some important and useful columns are shown below:

  • RECID: This is the archived log record ID.
     

  • STAMP: This is the archived log record stamp.
     

  • NAME: This is the archived log file name. If set to NULL, the log file was cleared before it was archived.
     

  • STATUS: This is the status of the archived log.  It can have the following values: A – Available; D – Deleted; U – Unavailable; and X – Expired.
     

  • COMPLETION_TIME_DATE: This is the time when the archiving for this log is completed.
     

  • DICTIONARY_BEING:  This indicates whether the log contains the start of a LogMiner dictionary or not.

  • DICTIONARY_END: This indicates whether the log contains the end of a LogMiner dictionary or not.
     

  • FIRST_CHANGE#: This is the first change# in the archived log.
     

  • FIRST_TIME DATE: This is the timestamp of the first change.
     

  • NEXT_CHANGE#: This is the first change in the next log.
     

  • NEXT_TIME DATE: This is the timestamp of the next change.
     

  • BLOCKS: This is the size of the archived log, in blocks.
     

  • BLOCK_SIZE: This is the redo log block size. This is the logical block size of the archived log, which is the same as the logical block size of the online log from which the archived log was copied. The online log logical block size is a platform-specific value that is not adjustable by the user.

dba_registered_archived_log

This view displays information about the registered archived logfiles in the database for the Capture processes which are the consumers of the log files.


The above text is an excerpt from:

Oracle Streams
High Speed Replication and Data Sharing

ISBN 0-9745993-5-2

by Madhu Tumma
 


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