Taules no utilizades

Amb aquest comandament es poden veure aquelles taules d’una base de dades SQL Server que no s’han utilitzat des de l’últim reinici del servidor de base de dades

-- Create CTE for the unused tables, which are the tables from the sys.all_objects and 
-- not in the sys.dm_db_index_usage_stats table

; with UnUsedTables (TableName , TotalRowCount, CreatedDate , LastModifiedDate ) 
AS ( 
  SELECT DBTable.name AS TableName
     ,PS.row_count AS TotalRowCount
     ,DBTable.create_date AS CreatedDate
     ,DBTable.modify_date AS LastModifiedDate
  FROM sys.all_objects  DBTable 
     JOIN sys.dm_db_partition_stats PS ON OBJECT_NAME(PS.object_id)=DBTable.name
  WHERE DBTable.type ='U' 
     AND NOT EXISTS (SELECT OBJECT_ID  
                     FROM sys.dm_db_index_usage_stats
                     WHERE OBJECT_ID = DBTable.object_id )
)
-- Select data from the CTE
SELECT TableName , TotalRowCount, CreatedDate , LastModifiedDate 
FROM UnUsedTables
ORDER BY TableName
--ORDER BY TotalRowCount ASC