If you are a SQL programmer, learning recursive SQL techniques can be a boon to your productivity. A recursive query is one that refers to itself. I think the best way to quickly grasp the concept of ...

In this report, I present an in-depth exploration of recursive SQL queries, a powerful feature in SQL that allows for the efficient querying of hierarchical and graph-based data structures. Recursive ...

An recursion operation is defined as the process of directly or indirectly calling a procedure repeatedly. The Tower of Hanoi puzzle is one typical example of this. This essay introduces the methods ...

Abstract: Rollup, a key operation in OLAP queries, is to aggregate multidimensional data on dimensional hierarchies. While the operation can be efficiently implemented on regular hierarchies in data ...