Playback sessions let you retrieve the data gathered during one or more recording sessions. You can play back data in two forms:
Playback to a client – the results of the playback are sent to the user, who can view the results on the terminal or redirect them to a file.
Playback to a file – the results of the playback are stored in a file. The resulting files are essentially a new recording session. You can use these files as input to yet another playback session, or as input to the bcp utility to populate Adaptive Server tables, or any other way that you would use recording session files.
The following attributes define a playback session:
Input recording sessions – the input to a playback session is one or more recording sessions.
Views, start time, and end time – these attributes define the data from the input recording sessions that you want to include in the playback session.
Summarization level – you can specify raw playback, which shows you exactly what was recorded, or you can specify various summarization levels.
To create a playback session, use the following sequence of commands from the Historical Server command interface: