An Adobe Campaign business practitioner has been asked to make a report of "Breakdown of...

This data schema saves required data so that the report of “Breakdown of opens” of the Campaign run for the year 2022 can be formed without any missing records. 

https://experienceleague.adobe.com/docs/campaign-classic/using/sending-messages/tracking-messages/accessing-the-tracking-logs.html?lang=en

The tracking_log schema in Adobe Campaign is designed to store detailed tracking information, such as opens, clicks, and bounces, for each delivery. To report on the "Breakdown of opens" for a campaign run in the year 2022, this schema would provide the necessary data, including timestamps, recipient identifiers, and the delivery associated with each open. This enables the creation of comprehensive reports on engagement metrics like email opens without any missing records.References:The tracking_log schema is part of the Adobe Campaign Classic database architecture, which records detailed interaction data for reporting and analysis purposes.