https://support.microsoft.com/en-au/topic/kb2989704-fix-some-columns-in-sys-column-store-segments-view-show-null-value-when-the-table-has-non-dbo-schema-in-sql-server-0abbf3b6-f66d-c501-d089-d464f6b93ec7
KB2989704 - FIX: Some columns in sys.column_store_segments view show NULL value when the table has...
Fixes an issue in which the column "has_nulls", "base_id", "magnitude", "min_data_id", "max_data_id", and "null_value" shows NULL value in the...