Anyway, the scripts is a good starting point. You should pay attention to User Scan, User Lookup and User Update when you are going to drop the index. The generic understanding is if this value is all high and User Seek is low, the index needs tuning. The index drop script is also provided in the last column. Query Listing All the Indexes Key Column with Included Column That’s a great script (as yours always are), however I think you are missing another class of “missing indexes”, and that is indexes that don’t have stats at all. Rows are only written to dm_db_index_usage_stats when an index is used. If that index is totally un-used (even for writing to), it won’t appear in dm_db_index_usage_stats and therefore won’t be included in your script. Try this on a production system, you might be surprised by how many rows it returns: