| const e=JSON.parse('{"key":"v-1afe3a16","path":"/zh/UserGuide/V0.13.x/Query-Data/Overview.html","title":"数据查询","lang":"zh-CN","frontmatter":{"description":"概述 语法定义 在 IoTDB 中，使用 SELECT 语句从一条或多条时间序列中查询数据。 下面是 SELECT 语句的语法定义： 常用的子句如下： 每个 selectExpr 对应查询结果的一列，支持时间序列后缀、时间序列生成函数（包括用户自定义函数）、聚合函数、数字常量、算数运算表达式。每个 SELECT 语句至少应该包含一个 selectExp...","head":[["link",{"rel":"alternate","hreflang":"en-us","href":"https://iotdb.apache.org/UserGuide/V0.13.x/Query-Data/Overview.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/zh/UserGuide/V0.13.x/Query-Data/Overview.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:title","content":"数据查询"}],["meta",{"property":"og:description","content":"概述 语法定义 在 IoTDB 中，使用 SELECT 语句从一条或多条时间序列中查询数据。 下面是 SELECT 语句的语法定义： 常用的子句如下： 每个 selectExpr 对应查询结果的一列，支持时间序列后缀、时间序列生成函数（包括用户自定义函数）、聚合函数、数字常量、算数运算表达式。每个 SELECT 语句至少应该包含一个 selectExp..."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"zh-CN"}],["meta",{"property":"og:locale:alternate","content":"en-US"}],["meta",{"property":"og:updated_time","content":"2023-10-25T10:37:38.000Z"}],["meta",{"property":"article:modified_time","content":"2023-10-25T10:37:38.000Z"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"数据查询\\",\\"image\\":[\\"\\"],\\"dateModified\\":\\"2023-10-25T10:37:38.000Z\\",\\"author\\":[]}"]]},"headers":[{"level":2,"title":"概述","slug":"概述","link":"#概述","children":[{"level":3,"title":"语法定义","slug":"语法定义","link":"#语法定义","children":[]},{"level":3,"title":"基本示例","slug":"基本示例","link":"#基本示例","children":[]},{"level":3,"title":"使用方式","slug":"使用方式","link":"#使用方式","children":[]}]}],"git":{"createdTime":1698230258000,"updatedTime":1698230258000,"contributors":[{"name":"wanghui42","email":"105700158+wanghui42@users.noreply.github.com","commits":1}]},"readingTime":{"minutes":6.13,"words":1838},"filePathRelative":"zh/UserGuide/V0.13.x/Query-Data/Overview.md","localizedDate":"2023年10月25日","autoDesc":true}');export{e as data}; |