MySQL TIMESTAMPDIFF() 函数:语法、示例与应用案例
The TIMESTAMPDIFF() function in MySQL calculates differences between two points in time. This article explores TIMESTAMPDIFF(), covering its syntax, everyday use cases, and best practices for...
TIMESTAMPDIFF()是MySQL的内置函数,用于计算两个时间点之间的差异,返回指定单位(如秒、分钟、小时等)的结果。使用时需注意NULL值和时区设置,以避免错误,适用于数据库管理和时间分析。
