This code helps you to find out the missing Indexes in SQL
[sql]
SELECT
d.[object_id],
s = OBJECT_SCHEMA_NAME(d.[object_id]),
o = OBJECT_NAME(d.[object_id]),
d.equality_columns,
d.inequality_columns,
d.included_columns,
s.unique_compiles,
s.user_seeks, s.last_user_seek,
s.user_scans, s.last_user_scan
INTO #missingindexes
FROM sys.dm_db_missing_index_details AS d
INNER JOIN sys.dm_db_missing_index_groups AS g
ON d.index_handle = g.index_handle
INNER JOIN sys.dm_db_missing_index_group_stats AS s
ON g.index_group_handle = s.group_handle
WHERE d.database_id = DB_ID()
AND OBJECTPROPERTY(d.[object_id], ‘IsMsShipped’) = 0;

select * from #missingindexes
[/sql]