DECLARE @i INT=0;DECLARE @j INT;DECLARE @qnum INT=300; --生成隨機數的數量SET NOCOUNT ONCREATE TABLE #temp_Table(num INT)WHILE(@i<@qnum)BEGIN  SELECT @j = cast( floor(rand()*(99999999-10000000)+10000000) as int)   IF(NOT EXISTS(SELECT num FROM #temp_Table WHERE num=@j ))  BEGIN    INSERT #temp_Table (num) VALUES (@j)    SET @i+=1;  END ENDSELECT DISTINCT num FROM #temp_TableDROP TABLE #temp_Table