Hard SQL interview questions test the advanced problem solving skills expected in many medium and senior level data analyst ...

How do you quickly get a count of the number of rows in a table? This small utility will enable you to quickly get row counts for tables, heaps, indexes and partitions. It works with SQL Server 2005 ...

Partitioning can provide a number of benefits to a sharding system, including faster query execution. Let’s see how it works. In a previous post, I described a sharding system to scale throughput and ...