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【DM版本】:DM Database Server 64 V8 DB Version: 0x7000c
【操作系统】：WINDOW
【CPU】:X86
【问题描述】*：

drop table if exists t1 ;
CREATE TABLE "T1"
(
"A" VARCHAR(8) NOT NULL,
"B" VARCHAR(8) NOT NULL,
NOT CLUSTER PRIMARY KEY("A", "B")) STORAGE(ON "MAIN", CLUSTERBTR) ;
insert into T1 values('1','1');
insert into T1 values('2','2');
insert into T1 values('3','3');
commit;

运行下面两个展示不一样

select top 0,101 * from ( select distinct a from "TEST"."T1" order by a desc)；

select distinct a from "TEST"."T1" order by a desc；