As a developer its required to have proper index on tables for better performance.
But while number of person querying a table its not possible to track and analyze all queries.
In this case we need some metadata for all queries which shows us which queries does not have index and creating index can improve x% of performance.
But while number of person querying a table its not possible to track and analyze all queries.
In this case we need some metadata for all queries which shows us which queries does not have index and creating index can improve x% of performance.