1）按笔画排序 select * from Table order by nlssort(columnName,'NLS_SORT=SCHINESE_STROKE_M') 2）按部首排序 select * from Table order by nlssort(columnName,'NLS_SORT=SCHINESE_RADICAL_M') 3）按拼音排序 select * from Table order by nl..
代码如下所示：SELECT @i:=@i+1 rowNum,if(@total=t.s_score,@rank,@rank:=@i) rank,@total:=t.s_score,t.*from(select t1.* ,t2.s_score from student t1 LEFT JOIN score t2 on t1.s_id=t2.s_id and t2.c_id="01" ORDER BY t2.s_score desc)t,(se..
ORDER BY _column1, _column2; /* _column1升序，_column2升序 */ ORDER BY _column1, _column2 DESC; /* _column1升序，_column2降序 */ ORDER BY _column1 DESC, _column2 ; /* _column1降序，_column2升序 */ ORDER BY _column1 DESC, _column2 ..
复制代码 代码如下:SELECT *FROM ( SELECT userid, classid, remark, ROW_NUMBER () OVER ( PARTITION BY userid, classid ORDER BY addtime DESC ) AS row_bank FROM Eng24VIPCourseIntention ) AS taWHERE row_bank = 1=========================..
（一）行号显示和排序 1.SQL Server的行号 A.SQL 2000使用identity(int,1,1)和临时表，可以显示行号 SELECT identity(int,1,1) AS ROWNUM, [DataID] INTO #1 FROM DATAS order by DataID; SELECT * FROM #1 B.SQL 2005提供一个很好用的函数row_numb..
聚合函数 count,max,min,avg,sum... select count (*) from T_Employee select Max(FSalary) from T_Employee 排序 ASC升序 DESC降序 select * from T_Employee order by Fage 先按年龄降序排列。如果年龄相同，则按薪水升序排列 select * from T_E..
