insert into select批量复制表

1.INSERT INTO SELECT语句

      语句形式为：Insert into Table2(field1,field2,...) select value1,value2,... from Table1

      要求目标表Table2必须存在

2.SELECT INTO FROM语句

      语句形式为：SELECT vale1, value2 into Table2 from Table1

      要求目标表Table2不存在