table1
table2
①假如把table1中的某个字段或多个字段复制到table2中
Insert into Table2(field1,field2,...) select value1,value2,... from Table1
②假如把table1中所有字段都复制到table2中
SELECT vale1, value2 into Table2 from Table1
table1
table2
①假如把table1中的某个字段或多个字段复制到table2中
Insert into Table2(field1,field2,...) select value1,value2,... from Table1
②假如把table1中所有字段都复制到table2中
SELECT vale1, value2 into Table2 from Table1