复制create table #t(a int,键字b int,c int,d int,e int) insert into #t values(1,2,3,4,5) insert into #t values(1,2,3,4,6) insert into #t values(1,2,3,4,7) insert into #t values(1,2,3,4,8) insert into #t values(1,3,3,4,5) insert into #t values(1,3,3,4,6) insert into #t values(1,3,3,4,8) insert into #t values(1,3,3,4,7) insert into #t values(2,2,2,4,5) insert into #t values(2,2,3,4,6) insert into #t values(2,2,4,4,7) insert into #t values(2,2,5,4,8) insert into #t values(2,3,6,4,5) insert into #t values(2,3,3,4,6) insert into #t values(2,3,3,4,8) insert into #t values(2,3,3,4,7) 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.