有時候Oracle效能變慢， 做一下分析 讓他認得index.key....，之後查詢、執行操作會提高效率-Oracle performance slow sometimes, so you analyze index.key ...., let him know after the inquiry, the implementation of operations to improve efficiency

oracle sql调优总结，个人认为十分不错，可结合官方文档理解-oracle sql performance tunning

教你如何通过第三方工具Navicat连接Oracle，实现Oracle的可视化操作，连接成功后，可以建表、查询、删除、备份等操作，一切变的可视化，简单，Oracle功能强大，性能卓越，做工程的人应该试试。-Teach you how Navicat connected through a third-party tool Oracle, Oracle visualization operations, the connection is successful, you can build a t