The final post on temporary statistics answers reader questions, like whether you can update them. Only SQL Server can, but you can drop them.
SQL SERVER – Scripting Statistics for Read-Only Database and Making it Permanent
Learn scripting statistics for read-only database use from TempDB, then make them permanent so they survive a SQL Server restart.
SQL SERVER – Location of Statistics Before and After Database is Marked as a Read-Only
Where do old statistics go when a database becomes read-only? The location of statistics created before the change stays the same, and they remain permanent.
SQL SERVER – How to Script Statistics from SSMS? – Scripting Statistics is Disabled in SSMS
Trying to script statistics in SSMS but the option is always disabled, even outside read-only databases? Here is why it happens.
SQL SERVER – Statistics for Read-Only Database are in TempDB
Statistics usually live in the same database as the table, so where do they go for a read-only database? The answer is TempDB. Here is how it works.
Finding Which Statistics a Query Used in the Execution Plan
Find which statistics a query used through OptimizerStatsUsage in actual-plan XML, cached plans, and Query Store history.
Temp Table Statistics: Why a #Table Plan Goes Stale
Inspect temp table statistics across procedure calls, compare estimates with loaded rows, and test targeted refresh and recompile fixes.