select max(sd_id) from final table
(insert into Sd_Source  
select ifnull(max(sd_id), 0) + 1, 1, '020090001' 
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())       
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 2, '050060000'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 3, '004003008'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all 
select ifnull(max(sd_id), 0) + 1, 4, '000000087'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 5, '800000000'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 6, '647000009'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 7, '700500900'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 8, '000070060'
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
union all
select ifnull(max(sd_id), 0) + 1, 9, '060040020' 
     , ifnull(max(sd_id), 0) + 1, timestamp(generate_unique())
  from Sd_Source 
);