What is difference between Clustered and Nonclustered Indexes in (R) Databases?

Indexes are a very important concept, it makes your queries run fast and if you compare a SELECT query which uses an indexed column to one who doesn't you will see a big difference in performance. There can be two kinds of indexes in relational database Clustered and Nonclustered indexes. Clustered index determines physical sorting … Continue reading What is difference between Clustered and Nonclustered Indexes in (R) Databases?