...气象站；运行状态；查询统计；系统设计 [gap=916]Key words: automatic weather station; running status; query and statistics; system design ...
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The system's main functions include system management, outage management, outage application management, outage analysis, work order management, query and statistics and so on.
系统的主要功能模块包括系统管理、停电管理、停电申请管理、停电分析、工作票倒闸票管理、查询统计等模块。
You have learned how to analyze and tune the problem query from the perspective of statistics, predicates, and indexes.
您已经了解如何从统计数据、谓词和索引这几方面来分析和调优问题查询。
In addition, it discusses the role of the optimizer, including the OPTCOMPIND parameter, query directives, and internal statistics.
此外，还将讨论优化器的角色，其中包括OPTCOMPIND参数、查询命令和内部统计数据。
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