1.几个简略的根本的sql语句
选择：
select * from table1 where 规模
插入：
insert into table1(field1,field2) values(value1,value2)
删除：
delete from table1 where 规模
更新：
update table1 set field1=value1 where 规模
查找：
select * from table1 where field1 like ’%value1%’ ---like的语法很精巧，查资料!
排序：
select * from table1 order by field1,field2 [desc]
总数：
select count as totalcount from table1
求和：
select sum(field1) as sumvalue from table1
平均：
select avg(field1) as avgvalue from table1
最大：
select max(field1) as maxvalue from table1
最小：
select min(field1) as minvalue from table1选择：
select * from table1 where 规模
