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5 and i want to identify missing indexes in it. Can somebody please help me to identify ? This will help us to increase the performance of query that leads to application.
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To determine which missing index groups a particular missing index is part of, you can query the sys. dm_db_missing_index_groups dynamic management view by equijoining it with sys. dm_db_missing_index_details based on the index_handle column. The result set for this DMV is limited to 600 rows.
To see indexes for all tables within a specific schema you can use the STATISTICS table from INFORMATION_SCHEMA: SELECT DISTINCT TABLE_NAME, INDEX_NAME FROM INFORMATION_SCHEMA. STATISTICS WHERE TABLE_SCHEMA = 'your_schema'; Removing the where clause will show you all indexes in all schemas.
Right-click on the execution plan and select Show Execution Plan XML... from the menu. The execution plan XML will open as a new tab inside SSMS. Only a single missing index suggestion will be shown in the Missing Index Details...
The best what I can think of is to use the EXPLAIN to check the execution plan of your query with index and without index and then see the difference in query performance.
You can also refer:
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