Questa query vi darà le tabelle di sistema di versione, le tabelle di cronologia associati, il criterio di conservazione, e se il criterio di conservazione è abilitato a livello di database.
From Microsoft Docs
SELECT DB.is_temporal_history_retention_enabled,
SCHEMA_NAME(T1.schema_id) AS TemporalTableSchema,
T1.name as TemporalTableName, SCHEMA_NAME(T2.schema_id) AS HistoryTableSchema,
T2.name as HistoryTableName,T1.history_retention_period,
T1.history_retention_period_unit_desc
FROM sys.tables T1
OUTER APPLY (select is_temporal_history_retention_enabled from sys.databases
where name = DB_NAME()) AS DB
LEFT JOIN sys.tables T2
ON T1.history_table_id = T2.object_id WHERE T1.temporal_type = 2