转载请注明出处 select /*+INDEX_DESC(T IDX_SYS_MESS_CREATE_DATE)*/ * FROM sys_message T where t.create_date is not null 索引名:IDX_SYS_MESS_CREATE_DATE SQL 表别名:T 注意点:1. /*+INDEX_DESC(T IDX_SYS_MESS_CREATE_DATE)*/ 红色字的别名要跟表别名一样 2.一定要加上 where 所在索引字段 is not nul
#coding:utf8 import os,time directory = "d:/scrapy tutorial/" t = [] d = {} for filename in os.listdir(directory): path = directory + filename time1 = time.ctime(os.path.getmtime(path)) d[time1] = filename t.append(time1) n = 1 for i in sorted(t
sql server 分页按时间排序 select * from (select<include refid="Base_Column_List"/>, ROW_NUMBER() OVER(Order by check_date )-1 AS RowNumber from user <include refid="pageListQueryCondition"/> ) c where RowNumber BETWEEN (#{paginati
> ls -alt # 按修改时间排序 > ls --sort=time -la # 等价于> ls -alt > ls -alc # 按创建时间排序 > ls -alu # 按访问时间排序 # 以上均可使用-r实现逆序排序 > ls -alrt # 按修改时间排序 > ls --sort=time -lra # 等价于> ls -alrt > ls -alrc # 按创建时间排序 > ls -alru # 按访问时间排序 实例:按文件生成时间倒