Update From Session

Update from Session is used to update values in one session using value in another session. For example, if a reader was set up to capture the timestamp of fish exiting a facility during a volitional release, this feature could be used to update the original tagging file with those release times. To accomplish this, reader file from the release monitoring would be imported into P5 as a session containing only the tag code and Release Date. Then that session would be used to update all other sessions that contained those tag codes with the timestamp from the reader as the Release Date.

	Session to Search By
	Select the Session that contains the tag codes to search by and the values that will be used to update the resulting records.

	Match Records By
	Select to match records by Tag Code only or by Tag Code and Event Type.

	Search
	Click the Search button to find all matching records.

	Select Records to Update
	Records with tag codes that match those in the Session to Search By will be displayed here, grouped by Session. Check the Sessions and/or records to be updated.

	Select Fields to be Updated
	Put a check mark in the box next to the fields to be updated by the values from the Session to Search By

Update Strategy

Select the update strategy to use:

•Append: Append the update values, if possible, otherwise overwrite. Append only works on comment fields such as Text Comment and Conditional Comment; all other fields will be overwritten.

•Blank: Only update the target field if it is blank, if it is not blank ignore it.

•Overwrite: Always overwrite the target field with the update value.

	Apply
	Click this button to apply the update to the selected Sessions and/or records. Results of applying the update will be shown in the Select Records to Update grid.

	Save
	Click this button to permanently save the updated records.

	Reset
	Click this button to undo the changes to the updated records.