夯实c语言基础(2)
题干执行以下程序段执行后的输出结果分别为( b )、( a )、( a )、( d )。 程序段一: int i1,a0; while(i<…
如批量更新采购订单行sequence字段,按照订单行id的顺序赋值1,2,3,4...:
UPDATE purchase_order_line_copy1
SET sequence subquery.new_sequence
FROM (SELECT id, ROW_NUMBER() OVER (ORDER BY id) AS new_sequence…