增删改查

选择：baiselect * from table1 where 范围du
插入：zhiinsert into table1(field1,field2) values(value1,value2)
删除：delete from table1 where 范围
更新：update table1 set field1=value1 where 范围
查找dao：答select * from table1 where field1 like ’%value1%’