New posts in Index Tuning

Filter on array text[] and sort on timestamp

Indexes and Statistics on Temp tables

Composite index

Would a table benefit if it was a heap

Find unused indexes

Why is my EXISTS query doing an index scan instead of an index seek?

Does it make sense to create index with all columns included

Unused Indexes Best Practices

Good reasons to use SELECT... WITH XLOCK?

Why would SQL Server ignore an index?