insert into 表名(列1,列2,列3) values (值1,值2,值3)【sql语句】:sql 语句是对数据库进行操作的一种语言。结构化查询语言(Structured Query Language)简称SQL,结构化查询语言是一种数据库查询和程序设计语言,用于存取数据以及查询、更新和管理关系数据库系统。【简单语句】:更新:update table1 set field1=value1 where 范围查找:select * from table1 where field1 like ’%value1%’ (所有包含‘value1’这个模式的字符串)排序:select * from table1 order by field1,field2 [desc]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[separator]