DB2 Optimization Expert provides an environment to identify and tune poor performing SQL statements.
DB 2OptimizationExpert提供了用来识别和调优表现不佳的sql语句的环境。
Replace poor performing SQL with a more optimal SQL statement without modifying the program source code.
无需修改程序源代码即可使用经过优化的sql语句替换表现不佳的SQL。
So poor performing service endpoints must be discovered and made unavailable based on configured thresholds.
因此，必须发现表现较差的服务端点并根据配置的阈值使其不可用。
Even if you have to downsize, keeping good, rather than poor performing employees should be a priority.
即使您已被迫缩小规模来做，留住有良好表现而非差劲的员工，也该是优先考量。
By using these features, it can greatly reduce investigation time when dealing with a poor-performing query.
利用这些特性，即可显著缩短处理一个性能较差的查询时的分析时间。
Consider an example where a DBA knows the problem is a poor-performing query, but that query was generated by a framework, using an object-relational mapping technology.
考虑这样一个示例：DBA知道问题根源是查询的性能较差，但此查询是由框架生成的，使用了对象关系映射技术。
Consider an example where a DBA knows the problem is a poor-performing query, but that query was generated by a framework, using an object-relational mapping technology.
考虑这样一个示例：DBA知道问题根源是查询的性能较差，但此查询是由框架生成的，使用了对象关系映射技术。
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