What is transaction log?
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What is transaction log?
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The transaction log is a serial record of all the changes that have occurred in a database. It is used during recovery operations to redo finished transactions and undo unfinished transactions. It is very useful during backup operations, as backing up a transaction log backs up only those changes that have been made to the transaction log since it was last backed up. In Exchange Server 2003, the maximum size of a transaction log file is 5MB. Unless circular logging is enabled, a new transaction log file is created when it reaches its maximum size limit.
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