date_sub全称

DATE_SUB的全称是"Date Subtract"，表示日期减法函数。该函数用于从给定的日期中减去指定的时间间隔，例如减去一天、一周、一个月等。使用DATE_SUB函数可以实现日期的计算和操作。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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