mysql 备份时间 %date~0,4%和 %time~0,2%等用法详解

md d:\%date:~0,4%%date:~5,2%%date:~8,2%_%time:~0,2%%time:~3,2%%time:~6,2%

mysql 备份时间 %date~0,4%和 %time~0,2%等用法详解

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