統計情報用のクエリを追加

Statistics/統計情報のヒストグラムの確認.sql

@@ -2,20 +2,20 @@
 GO
 
 DECLARE @stats TABLE(
-RANGE_HI_KEY sql_variant,
-RANGE_ROWS real,
-EQ_ROWS real,
-DISTINCT_RANGE_ROWS	bigint,
-AVG_RANGE_ROWS real
+	RANGE_HI_KEY sql_variant,
+	RANGE_ROWS real,
+	EQ_ROWS real,
+	DISTINCT_RANGE_ROWS	bigint,
+	AVG_RANGE_ROWS real
 )
 DECLARE @results TABLE(
-object_name sysname,
-stats_name sysname,
-RANGE_HI_KEY sql_variant,
-RANGE_ROWS real,
-EQ_ROWS real,
-DISTINCT_RANGE_ROWS	bigint,
-AVG_RANGE_ROWS real
+	object_name sysname,
+	stats_name sysname,
+	RANGE_HI_KEY sql_variant,
+	RANGE_ROWS real,
+	EQ_ROWS real,
+	DISTINCT_RANGE_ROWS	bigint,
+	AVG_RANGE_ROWS real
 )
 DECLARE @object_name sysname, @stats_name sysname
 
@@ -54,7 +54,7 @@ DEALLOCATE stats_cursor
 SELECT * FROM @results
 
 
--- SQL Server v.Next 向けの統計情報のヒストグラム確認
+-- SQL Server 2016 SP1 CU2 以降の統計情報のヒストグラム確認
 SELECT 
 	OBJECT_SCHEMA_NAME(s.object_id) AS schema_name,
 	object_name(s.object_id) AS object_name, 
@@ -64,7 +64,15 @@ SELECT
 	sh.range_rows,
 	sh.equal_rows,
 	sh.distinct_range_rows,
-	sh.average_range_rows
+	sh.average_range_rows,
+	s.auto_created,
+	s.user_created,
+	s.no_recompute,
+	s.has_filter,
+	s.filter_definition,
+	s.is_temporary,
+	s.is_incremental,
+	STATS_DATE(s.object_id, s.stats_id) AS stats_date
 FROM
 	sys.stats s
 	cross apply

Statistics/統計情報情報の確認.sql

@@ -0,0 +1,47 @@
+SELECT
+	OBJECT_NAME(s.object_id) AS object_name,
+	s.*,
+	SUBSTRING(sc.column_name, 1, LEN(sc.column_name) -1) AS column_name,
+	sp.*,
+	CASE sp.rows
+		WHEN 0 THEN 0
+		ELSE
+			CAST(CAST(sp.rows_sampled AS float) / sp.rows * 100 AS numeric(5,2)) 
+	END AS sampling_percent,
+	CASE sp.rows
+		WHEN 0 THEN 0
+		ELSE
+			CAST(CAST(sp.modification_counter AS float) / sp.rows * 100 AS numeric(5,2)) 
+	END AS modification_percent,
+	isp.*
+FROM
+	sys.stats AS s
+	CROSS APPLY
+		sys.dm_db_stats_properties(s.object_id, s.stats_id) AS sp
+	OUTER APPLY
+		sys.dm_db_incremental_stats_properties(s.object_id, s.stats_id) AS isp
+	LEFT JOIN
+		sys.objects AS o
+	ON
+		o.object_id = s.object_id
+	CROSS APPLY
+	(
+		(SELECT 
+			CAST(c.name AS varchar(255)) + ','
+			FROM 
+			sys.stats_columns AS sc
+			LEFT JOIN
+				sys.columns AS c
+			ON
+				sc.object_id = c.object_id
+				AND
+				sc.column_id = c.column_id
+			WHERE
+			sc.object_id = s.object_id
+			AND
+			sc.stats_id = s.stats_id
+			FOR XML PATH ('')
+		)
+	) AS sc(column_name)
+WHERE
+	o.is_ms_shipped = 0