标签：included where rom font percent ota join 数据 order by
SELECT
[Total Cost] = ROUND(avg_total_user_cost * avg_user_impact * (user_seeks + user_scans),0)
, avg_user_impact
, TableName = statement
, [EqualityUsage] = equality_columns
, [InequalityUsage] = inequality_columns
, [Include Cloumns] = included_columns
FROM sys.dm_db_missing_index_groups g
INNER JOIN sys.dm_db_missing_index_group_stats s
ON s.group_handle = g.index_group_handle
INNER JOIN sys.dm_db_missing_index_details d
ON d.index_handle = g.index_handle
ORDER BY [Total Cost] DESC;
SELECT c.name AS databasename, c.equality_columns, c.inequality_columns, c.included_columns, c.statement AS tablename, c.avg_total_user_cost AS ReducingTheAverageCost, c.avg_user_impact AS PercentageOfRevenue, c.last_user_seek AS TheLastTimeTheEffectAfterUse, c.unique_compiles FROM (SELECT a.name, b.* FROM (SELECT d.*, s.avg_total_user_cost, s.avg_user_impact, s.last_user_seek, s.unique_compiles FROM sys.dm_db_missing_index_group_stats s, sys.dm_db_missing_index_groups g, sys.dm_db_missing_index_details d WHERE s.group_handle = g.index_group_handle AND d.index_handle = g.index_handle AND s.avg_user_impact > 90 --AND s.unique_compiles > 10 --order by s.avg_user_impact desc ) b, sys.databases a WHERE a.database_id = b.database_id) c WHERE c.name = ‘xxxxx‘ ORDER BY PercentageOfRevenue DESC, unique_compiles DESC
标签：included where rom font percent ota join 数据 order by
原文地址：http://www.cnblogs.com/footleg/p/7117922.html
