Create spReport_INDEX_Analyse_Cost_Benefit.sql

Author: hsnbsgl

Reports/spReport_INDEX_Analyse_Cost_Benefit.sql

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+
+SET ANSI_NULLS ON
+GO
+SET QUOTED_IDENTIFIER ON
+GO
+
+CREATE OR ALTER PROCEDURE [dbo].[spReport_INDEX_Analyse_Cost_Benefit]
+@argDBName VARCHAR(128), @argTable_Name VARCHAR(128) = NULL
+AS 
+BEGIN 
+
+	DECLARE @lcMsg VARCHAR(100)
+
+	IF @argDBName IS NULL BEGIN
+		SET @lcMsg = 'Database Name should not be empty'
+		RAISERROR(@lcMsg, 16, 1)
+		RETURN
+	END
+
+	DECLARE @lcSQL NVARCHAR(MAX), @lcTable_name_cond VARCHAR(500)
+	 
+	SELECT @lcTable_name_cond = ''
+	IF @argTable_Name IS NOT NULL
+		SELECT @lcTable_name_cond = ' AND object_name(s.object_id) LIKE ''' + @argTable_Name + ''''
+
+	SELECT @lcSQL = 'USE ' + @argDBName + '; ' + 
+						'SELECT object_name(s.object_id) AS [Table_Name],
+								i.name AS [Index_Name],
+								(S.user_seeks + S.user_scans + S.user_lookups) - (S.user_updates + 1) AS [Benefit-Cost],
+								CONVERT(DECIMAL(5, 2),  ((S.user_seeks + S.user_scans + S.user_lookups) / (S.user_seeks + S.user_scans + S.user_lookups + S.user_updates + 1.0)) * 100) AS [Benefit-Cost(%)],
+								S.user_seeks + S.user_scans + S.user_lookups AS [user reads],
+								S.user_updates AS [user writes],
+								S.user_seeks, S.user_scans, S.user_lookups,
+								S.system_seeks + S.system_scans + S.system_lookups AS [system reads] ,
+								S.system_updates AS [system writes], 
+								P.row_count, P.used_page_count AS Total_Used_Page_Count, CONVERT(DECIMAL(15,2), P.used_page_count/128.00) AS Total_used_MB 
+						FROM sys.dm_db_index_usage_stats s WITH (NOLOCK)
+							JOIN sys.indexes i WITH (NOLOCK) on i.object_id = s.object_id and i.index_id = s.index_id 
+							JOIN sys.dm_db_partition_stats P  WITH (NOLOCK) ON P.object_id = S.object_id and P.index_id = S.index_id 
+						WHERE objectproperty(s.object_id, ''IsUserTable'') = 1
+								AND S.database_id = ' + CONVERT(VARCHAR(10), DB_ID(@argDBName) ) + 
+								@lcTable_name_cond + 
+						' ORDER BY [Benefit-Cost] DESC'
+
+
+	EXEC (@lcSQL)
+	--PRINT (@lcSQL)
+
+END
+
+