几个简单的基本的sql语句

说明：几个简单的基本的sql语句 　　选择：select from table1 where 范围 　　插入：insert 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：select from table1 where field1 like '%value1%' ---like的语法很精妙，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

（编辑：李大同）

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