Association Rules are a quick and simple technique to identify groupings of products that are often sold together. This makes them useful for identifying products that could be grouped together in cross-sell campaigns. Association rules are also known as Market...
Archive for July, 2013
Transact SQL allows you to nest queries within queries. The inner query is known as a subquery, and this is used as an input for the outer query. Unlike queries that use constants, the results of a subquery can change...
SQL Server processes code in a sequence which is known as the Logical Query Processing order. In a typical query, the logical processing order is : FROM -> WHERE -> GROUP BY -> HAVING -> SELECT ->ORDER BY. Each step...