1. 认识 CONVERT:SQL Server 日期转换的基础能力 CONVERT 是 SQL Server 里用来做类型转换的函数,最典型的两个用途:一是把 datetime 类型的日期值转成指定格式的字符串,二是把符合规则的字符串解析回日期类型。日常报表、接口对接、日志记录、按日分组统计等场景里,到处都能见到它的身影。
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本内容遵循CC 4.0 BY-SA版权协议 SQL 里做数据类型转换, CONVERT() 是出现频率极高的一个函数。很多人第一次接触它,是在处理日期格式化的时候——比如想把 2024-01-05 13:20:45 变成 2024年01月05日 ...
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