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
答案 0 :(得分:0)
你可能需要,
Update table set column2 = column1+90