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What is db2 transaction log?
Transaction logs keep track of changes made to database objects and data. During the recovery process, DB2 examines these logs and decides which changes to redo or undo. Table t1 and its index ix1 are shown in the logical view of Figure 13.1.
What is log utilization in db2?
log space, including how much is currently being used and how much is still. available. The High Water Mark for log space usage is shown, so that you can. properly set your log space parameters, logprimary, logsecond and logfilsiz. The query uses the SYSIBMADM.SNAPDB view to retrieve database snapshot.
Why is my transaction log full?
Here are some possible causes of full transaction logs: Full, differential, or log backups have not occurred on the database in full recovery mode, causing the log to gradually fill up. An active backup is in process (backups are treated like transactions), which fill up a portion of the log while concurrent transactions fill up the remainder.
How can I view the SQL server log?
View the logs In SQL Server Management Studio, select Object Explorer. To open Object Explorer, select F8. In Object Explorer, connect to an instance of SQL Server, and then expand that instance. Find and expand the Management section (assuming you have permissions to see it). Right-click SQL Server Logs, select View, and then choose SQL Server Log.
Is it safe to delete SQL Server transaction log?
Yes, transaction logs allow you to do point in time recovery to a specific datetime or to a marked transaction. Assuming you’re doing full backups or differential backups at least every 3 days then your data is safe, but deleting the logs means you will lose the ability to recover to specific points in time between the log backup dates.
What’s in a SQL transaction log file?
A transaction log is a file – integral part of every SQL Server database. It contains log records produced during the logging process in a SQL Server database. The transaction log is the most important component of a SQL Server database when it comes to the disaster recovery – however, it must be uncorrupted.