时间:2021-07-01 10:21:17 帮助过:7人阅读
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
SQLServer 常用的基本语法
标签:avg HERE val set esc 资料 sel 插入 value