SQL命令command 的相关内容

阿里云文档 2026-05-27

如何使用SQL命令COMPACTION

Compaction可以把所有的数据文件按照一定策略进行Merge操作，可提升查询效率。

阿里云文档 2026-05-20

使用Jindo sql命令分析日志和数据

Jindo sql命令是JindoFS自带的工具，方便您分析JindoFS访问日志、元数据和OSS访问日志。本文为您介绍如何使用Jindo sql命令，分析JindoFS访问日志、元数据和OSS访问日志的数据。

阿里云文档 2026-04-16

PolarDB MySQL支持通过控制台或SQL命令管理边缘集群账号密码，包括修改密码、设置过期时间和配置密码验证功能。

您可以在控制台或使用SQL命令来管理PolarDB MySQL版边缘集群的账号密码。

阿里云文档 2026-04-16

PolarDB MySQL版边缘集群支持通过控制台或SQL命令管理高权限、普通及全局只读账号的数据库权限，包括授予、修改和重置多种权限类型。

您可以在控制台或使用SQL命令来管理PolarDB MySQL版边缘集群的账号权限。

阿里云文档 2021-12-15

MySQL执行外部sql脚本文件命令报错：unknown command '\'

由于编码不一致导致的虽然大部分导出是没有问题的但是数据表中存储包含一些脚本(富文本内容)会出现该问题,强制指定编码即可解决。 mysql导入时指定编码： mysql -u root -p --default-character-set=utf8 或者在导出时后显式指定编码就不存在这个问题了： mysqldump -uroot -p --default-character-set=...

问答 2017-05-19 来自：开发者社区

使用MaxCOmpute python SDK读取ODPS上一张表，做一些处理后，写入另外一张表，读取和写入都是多线程的。遇到问题1. 多线程处理时，每个线程每次循环（每次循环处理100条数据）均新建了一个odps连接，有没有可能是odps连接太多了？文档中没有发现如何关闭这个odps连接？ 2. 在ODPS客户端，操作一些sql命令时，也是有超时的，客户端也有超时的话，是不是可以先排除程序的问题？如下： Aliyun ODPS Command Line Tool Version 0.21.1 @Copy

使用MaxCOmpute python SDK读取ODPS上一张表，做一些处理后，写入另外一张表，读取和写入都是多线程的。遇到问题1. 多线程处理时，每个线程每次循环（每次循环处理100条数据）均新建了一个odps连接，有没有可能是odps连接太多了？文档中没有发现如何关闭这个odps连接？2. 在ODPS客户端，操作一些sql命令时，也是有超时的，客户端也有超时的话...

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更新时间 2024-05-01 14:01:29

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