New posts in Index Tuning

Clustered Index fragmentation vs Index with Included columns fragmentation

Postgres sometimes uses inferior index for WHERE a IN (...) ORDER BY b LIMIT N

Force SQL Server to use fragmented indexes?

Index Uniqueness Overhead

Why does sql server prefer the nonclustered index over the clustered index?

Why are partial PostgreSQL HASH indices not smaller than full indices?

Why filtered index on IS NULL value is not used?

If a database only ever has one insert, is it bad to index every possible column combination?

Questionable duplicate index suggested by optimization

Outer Join suppressing Index usage?