Explanation/Reference:
Explanation:
The Microsoft Database Engine Tuning Advisor (DTA) analyzes databases and makes recommendations that you can use to optimize query performance. You can use the Database Engine Tuning Advisor to select and create an optimal set of indexes, indexed views, or table partitions without having an expert understanding of the database structure or the internals of SQL Server.
Incorrect Answers:
A: sys.dm_db_index_usage_stats returns counts of different types of index operations and the time each type of operation was last performed in SQL Server.
B: sys.dm_db_missing_index_details returns detailed information about missing indexes, excluding spatial indexes.
D: sys.dm_db_missing_index_columns returns information about database table columns that are missing an index, excluding spatial indexes.
References: https://docs.microsoft.com/en-us/sql/relational-databases/performance/database-engine- tuning-advisor