SELECT TOP 100
[Total Cost] = ROUND(avg_total_user_cost * avg_user_impact
* ( user_seeks + user_scans ), 0) ,
user_seeks ,
user_scans ,
avg_total_user_cost ,
avg_user_impact ,
TableName = statement ,
[EqualityUsage] = equality_columns ,
[InequalityUsage] = inequality_columns ,
[Include Cloumns] = included_columns ,
'create index IX_' + PARSENAME(statement, 1) + '_'
+ REPLACE(REPLACE(REPLACE(equality_columns, '[', ''), ']', ''),
',', '') + ' on ' + PARSENAME(statement, 1) + ' ('
+ REPLACE(REPLACE(REPLACE(equality_columns, '[', ''), ']', ''),
',', '') + CASE WHEN included_columns IS NULL THEN ''
ELSE ') INCLUDE (' + included_columns
+ ')'
END
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
WHERE 1 = 1
AND statement LIKE '%SCT%'
ORDER BY [Total Cost] DESC
索引缺失与创建
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