hive 数据去重
Hive数据去重的两种方式 (distinct和group by)
目录1.distinct消除重复行2.group by 分组语句3.区别总结实现数据去重有两种方式 :distinct 和 group by[详细]
2023-01-04 08:57 分类:数据库Translate model fields' attributes from a Database with Django?
I\'m trying to create a Model that has fields that have the following attributes translatable: verbose_name and choices. I can easily do this by tagging the strings and using the i18l middleware. The[详细]
2022-12-22 20:05 分类:问答Is there a way to determine the .NET Framework version from the command line?
To troubleshoot an installation, sometimes I just want a quick answer to what version of .NET is installed.[详细]
2022-12-19 15:18 分类:问答