The requirement to engage with technical support ensues that, what you are about to perform, as an operation of the entire database, can be validated by technical support, which may be able to point out the most appropriate manner in which you can attain your goal.
This is the case, for example, for: restoring data and scripts from backup, data migration, re-scanning all used files, as well as purging unused data, purging unused templates, and purging unused non-dated pages.
Topic 184510, last updated on 10-Jul-2021