In This Chapter

To display the logical-log records that the logical-log files contain, use the onlog utility.

This chapter provides the following information:

• Brief guidance on reading logical-log records
• A listing of the different logical-log record types

In general, you do not need to read and interpret your logical-log files. However, onlog output is useful in debugging situations. For example, you might want to use onlog to track a specific transaction or to see what changes the database server made to a specific tblspace. You can also use onlog to investigate the cause of an error that occurs during a roll forward. For more information about the specific instances in which you can use onlog, see onlog: Display Logical-Log Contents.