Query Strategry in Distributed System
Lingyan Zhang · Science Technology and Engineer · 2005
There are always many available solutions according to certain query task. Query optimization aim is to find the most efficient solution among many feasible query plans. An optimized query solution can often spend much little cost(based on executing time) than a worse one. The feature of distributed database is explained, it emphatically discusses many distributed query strategy and the applied ciucumstances.