【oracle 分页问题】这两个查询结果竟然不一样，好神奇？

sql1：

select *

from (select t_.*, rownum as n_

from (select rid,"FId","FCreateTime",

"FStatus",

"FLeiBie",

"FName",

"FHangYe",

"FHangYe$",

"FRegionId",

"FRegionId$",

"FOfficePhone",

"FUserId",

"FUserId$",

"FDepartmentId",

"FDepartmentId$",

"FSumdingdane",

"FChanPingXian",

"FBaoBeiStatus",

"FYinruStatus",

"Fxiumian",

"Fkfry",

"Fkfry$",

"Fkhbm",

"Fkhbm$",

"Fshiti",

"Fshiti1",

"Fshiti2",

"Fshiti3"

from (select "TcCustomer".rowId as rid,"TcCustomer"."FRegionId",

"TcCustomer"."FLeiBie",

"TcCustomer"."Fshiti",

"TcCustomer"."FOfficePhone",

"TcCustomer"."FHangYe",

"TcCustomer"."Fkhbm",

"TcCustomer"."Fxiumian",

"TcCustomer"."FChanPingXian",

"TcCustomer"."FBaoBeiStatus",

"TcCustomer"."FYinruStatus",

"TcCustomer"."FDepartmentId",

"TcCustomer"."FSumdingdane",

"TcCustomer"."Fshiti3",

"TcCustomer"."FUserId",

"TcCustomer"."FCreateTime",

"TcCustomer"."FStatus",

"TcCustomer"."FName",

"TcCustomer"."FId",

"TcCustomer"."Fkfry",

"TcCustomer"."Fshiti1",

"TcCustomer"."Fshiti2",

"TsUser_1"."FName" as "FUserId$",

"TsDepartment_1"."FName" as "Fkhbm$",

"Tuindustry_1"."FName" as "FHangYe$",

"TsDepartment_2"."FName" as "FDepartmentId$",

"TsUser_2"."FName" as "Fkfry$",

"Tuarea_1"."FName" as "FRegionId$"

from "TcCustomer"

left join "TsUser" "TsUser_1"

on "TsUser_1"."FId" = "TcCustomer"."FUserId"

left join "TsDepartment" "TsDepartment_1"

on "TsDepartment_1"."FId" = "TcCustomer"."Fkhbm"

left join "Tuindustry" "Tuindustry_1"

on "Tuindustry_1"."FId" = "TcCustomer"."FHangYe"

left join "TsDepartment" "TsDepartment_2"

on "TsDepartment_2"."FId" =

"TcCustomer"."FDepartmentId"

left join "TsUser" "TsUser_2"

on "TsUser_2"."FId" = "TcCustomer"."Fkfry"

left join "Tuarea" "Tuarea_1"

on "Tuarea_1"."FId" = "TcCustomer"."FRegionId") "TcCustomer"

where "FLeiBie" = 'qudao'

order by "FCreateTime" asc) t_

where rownum <= 1000)

where n_<=375 and n_ > 350;

sql2：

select *

from (select t_.*, rownum as n_

from (select rid,"FId","FCreateTime",

"FStatus",

"FLeiBie",

"FName",

"FHangYe",

"FHangYe$",

"FRegionId",

"FRegionId$",

"FOfficePhone",

"FUserId",

"FUserId$",

"FDepartmentId",

"FDepartmentId$",

"FSumdingdane",

"FChanPingXian",

"FBaoBeiStatus",

"FYinruStatus",

"Fxiumian",

"Fkfry",

"Fkfry$",

"Fkhbm",

"Fkhbm$",

"Fshiti",

"Fshiti1",

"Fshiti2",

"Fshiti3"

from (select "TcCustomer".rowId as rid,"TcCustomer"."FRegionId",

"TcCustomer"."FLeiBie",

"TcCustomer"."Fshiti",

"TcCustomer"."FOfficePhone",

"TcCustomer"."FHangYe",

"TcCustomer"."Fkhbm",

"TcCustomer"."Fxiumian",

"TcCustomer"."FChanPingXian",

"TcCustomer"."FBaoBeiStatus",

"TcCustomer"."FYinruStatus",

"TcCustomer"."FDepartmentId",

"TcCustomer"."FSumdingdane",

"TcCustomer"."Fshiti3",

"TcCustomer"."FUserId",

"TcCustomer"."FCreateTime",

"TcCustomer"."FStatus",

"TcCustomer"."FName",

"TcCustomer"."FId",

"TcCustomer"."Fkfry",

"TcCustomer"."Fshiti1",

"TcCustomer"."Fshiti2",

"TsUser_1"."FName" as "FUserId$",

"TsDepartment_1"."FName" as "Fkhbm$",

"Tuindustry_1"."FName" as "FHangYe$",

"TsDepartment_2"."FName" as "FDepartmentId$",

"TsUser_2"."FName" as "Fkfry$",

"Tuarea_1"."FName" as "FRegionId$"

from "TcCustomer"

left join "TsUser" "TsUser_1"

on "TsUser_1"."FId" = "TcCustomer"."FUserId"

left join "TsDepartment" "TsDepartment_1"

on "TsDepartment_1"."FId" = "TcCustomer"."Fkhbm"

left join "Tuindustry" "Tuindustry_1"

on "Tuindustry_1"."FId" = "TcCustomer"."FHangYe"

left join "TsDepartment" "TsDepartment_2"

on "TsDepartment_2"."FId" =

"TcCustomer"."FDepartmentId"

left join "TsUser" "TsUser_2"

on "TsUser_2"."FId" = "TcCustomer"."Fkfry"

left join "Tuarea" "Tuarea_1"

on "Tuarea_1"."FId" = "TcCustomer"."FRegionId") "TcCustomer"

where "FLeiBie" = 'qudao'

order by "FCreateTime" asc) t_

where rownum <= 375)

where n_<=375 and n_ > 350;

两个sql的差别就是减少了中间结果集，rownum<=1000,rownum<=375的区别，结果整个处理的数据就不一样了，我把两种的全部导出来，发现到300多条就不一致了，真的很神奇；

解决办法：增大第二个sql的结果集 rownum <= 375+25