精妙的SQL和SQL SERVER 与ACCESS、EXCEL的数据导入导出转换

  n
select * from 表变量 order by columnname desc


2.
select top n * from (select top m * from tablename order by columnname) a order by columnname desc


3.假如tablename里没有其他identity列，那么：
select identity(int) id0,* into #temp from tablename
共68页: 上一页 [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18] 19 [20] [21] [22] [23] [24] [25] [26] [27] [28] [29] [30] [31] [32] [33] [34] [35] [36] [37] [38] [39] [40] [41] [42] [43] [44] [45] [46] [47] [48] [49] [50] [51] [52] [53] [54] [55] [56] [57] [58] [59] [60] [61] [62] [63] [64] [65] [66] [67] [68] 下一页