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Is there any way to get the timespan of the data contained in a TRN-File?

What I have:

  • A backup of a transaction-log

What I need:

  • The timestamp of the first and the last entry inside the log

How do I get this information?

2
  • Are the backup files taken on the same instance where you want to retore them? Nov 24, 2014 at 14:13
  • For the moment, I do not want to restore them at all. I just would like to know the file-content. But I have admin-access to the database, the files were created on (but the TRN is not present there anymore). But since this is a productive system, I cannot restore the data there.
    – Andreas
    Nov 24, 2014 at 22:23

1 Answer 1

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Short answer: you can't. Not with the file only, at least.

Long answer: what you can do is query msdb.dbo.backupset on the source instance to extract this information. The backup start/end date of the previous T-LOG backup is approximately the beginning timestamp of the log records conteined in each .TRN file. The end of the log chain is the backup begin/end date of that .TRN file.

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