New posts in Index Tuning

Computed Column Index Not Used

Extremely slow query on indexed column in Postgres

Index that is not used, yet influences query

where is the index physically located in MySQL database

Does a re-index update statistics?

Does an index with multiple columns make a similar index redundant?

Multicolumn index and performance

How do I know what indexes to create for a table?

Lookup table for a one-to-many relationship

How will large index INCLUDE fields affect system performance?