SQL查询数据的相关内容

问答 2023-05-14 来自：开发者社区

DataWorks中我的数据库中根据任务sql查询有数据，且本地执行数据会导入odps中？

问题1:DataWorks中我的数据库中根据任务sql查询有数据，且本地执行数据会导入odps中，但定时任务跑起来没有数据录入，时间参数使用的是定时任务的参数，log地址：https://di-cn-shanghai.data.aliyun.com/web/di/instanceLog?id=1095877190&resourceGroup=S_res_group_232655651905...

问答 2023-05-14 来自：开发者社区

DataWorks中我的数据库中根据任务sql查询有数据，且本地执行数据会导入odps中，但定时任？

DataWorks中我的数据库中根据任务sql查询有数据，且本地执行数据会导入odps中，但定时任务跑起来没有数据录入，时间参数使用的是定时任务的参数

问答 2023-04-26 来自：开发者社区

您好，咨询一下DMS的SQL结果集导出功能，如果该查询SQL因数据量比较大，3000万数据，

您好，咨询一下DMS的SQL结果集导出功能，如果该查询SQL因数据量比较大，3000万数据， 1: 导出数据时是先在数据库中查一下数据然后结果集导出来是吗？ 2: 3000万的数据导出大概需要多久？ 3: 几个表join会不会使导出结果集慢呢？

问答 2023-03-29 来自：开发者社区

dataworks是不是不支持通过sql查询语句进行数据导入导出，只能通过列名进行数据的导入导出？

问答 2023-03-28 来自：开发者社区

请问大家.net 通过sql查询表中数据有什么配置可以直接返回当前条件下的数据总量么？

问答 2023-03-22 来自：开发者社区

通过ADB使用SQL查询却查不到任何数据，请问有可能是什么原因导致的？

你好，我在使用DMS的ADB过程中遇到一个问题：数据在2023-03-16 19:57:55就已经进入polarDB，但是应用服务在2023-03-16 20:00:03通过ADB使用SQL查询却查不到任何数据，请问有可能是什么原因导致的？

问答 2023-03-08 来自：开发者社区

只有SQL方式查询按扫描计费，API查询还是按返回数据计费？想确认下这一点，因为文档里没有明确说明

只有SQL方式查询按扫描计费，API查询还是按返回数据计费？想确认下这一点，因为文档里没有明确说明CU是按扫描数据量计算还是按返回数据量计算？

问答 2023-02-27 来自：开发者社区

DMS的专属存储归档能直接使用SQL查询归档数据吗，怎么查？

DMS的专属存储归档能直接使用SQL查询归档数据吗，怎么查？还是得使用DMS才能查吗，不使用DMS查不了吗？

文章 2023-01-11 来自：开发者社区

作者：小5聊基础简介：一只喜欢全栈方向的程序员，欢迎咨询，尽绵薄之力答疑解惑编程原则：Write Less Do More1、时间转为字符串2、查询昨天，也是时间格式转为字符串格式3、所以七天内的数据查询条件，字符串格式再转为时间格式select * from mytable where convert(datetime,convert(varchar(10),timefield,120),1.....

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