数据库专家 meaning in Chinese
ocp
Examples
- Database guru craig mullins explains the basics of access paths and join methods , and then shows you how you can use tools such as explain to monitor and tune your sql performance
数据库专家craig mullins解释了存取路径和连接方法的基本概念，并展示了如何使用explain之类的工具来监视和调优sql性能。 - However , there are still many challenging problems in this field that attract many researchers . it is well known that the performance of a database relies heavily on the efficiency of query execution
而查询执行中查询优化是执行的关键环节，查询优化在很大程度上决定查询的效率或快慢，因此查询优化技术一直是许多数据库专家学者研究的重要课题。