为每行不同的范围选择日期

Question

我想在每行的日期后90天选择（不同）。

例如：

customer A visit a company on 12/3/15: I want to select all 90 dates after 12/3/15 
customer B visit a company on 7/4/11: I want to select all 90 dates after 7/4/11
customer C visit a company on 3/8/13: I want to select all 90 dates after 3/8/13

Answer 1

你可能需要，

Update table set column2 = column1+90