Oracle如何實(shí)現(xiàn)按身份證號(hào)得到省市、性別、年齡

SELECT
count(*) as total,
 case substr(t.CERTNO,0,2)
  when '11' then '北京市'
  when '12' then '天津市'
  when '13' then '河北省'
  when '14' then '山西省'
  when '15' then '內(nèi)蒙古自治區(qū)'
  when '21' then '遼寧省'
  when '22' then '吉林省'
  when '23' then '黑龍江省'
  when '31' then '上海市'
  when '32' then '江蘇省'
  when '33' then '浙江省'
  when '34' then '安徽省'
  when '35' then '福建省'
  when '36' then '江西省'
  when '37' then '山東省'
  when '41' then '河南省'
  when '42' then '湖北省'
  when '43' then '湖南省'
  when '44' then '廣東省'
  when '45' then '廣西壯族自治區(qū)'
  when '46' then '海南省'
  when '50' then '重慶市'
  when '51' then '四川省'
  when '52' then '貴州省'
  when '53' then '云南省'
  when '54' then '西藏自治區(qū)'
  when '61' then '陜西省'
  when '62' then '甘肅省'
  when '63' then '青海省'
  when '64' then '寧夏回族自治區(qū)'
  when '65' then '新疆維吾爾自治區(qū)'
  when '71' then '臺(tái)灣省'
  when '81' then '香港特別行政區(qū)'
  when '82' then '澳門特別行政區(qū)'
  else '未知'
  end AS province
 FROM uip_bjt_userinfo t 
 group by case substr(t.CERTNO,0,2)
    when '11' then '北京市'
    when '12' then '天津市'
    when '13' then '河北省'
    when '14' then '山西省'
    when '15' then '內(nèi)蒙古自治區(qū)'
    when '21' then '遼寧省'
    when '22' then '吉林省'
    when '23' then '黑龍江省'
    when '31' then '上海市'
    when '32' then '江蘇省'
    when '33' then '浙江省'
    when '34' then '安徽省'
    when '35' then '福建省'
    when '36' then '江西省'
    when '37' then '山東省'
    when '41' then '河南省'
    when '42' then '湖北省'
    when '43' then '湖南省'
    when '44' then '廣東省'
    when '45' then '廣西壯族自治區(qū)'
    when '46' then '海南省'
    when '50' then '重慶市'
    when '51' then '四川省'
    when '52' then '貴州省'
    when '53' then '云南省'
    when '54' then '西藏自治區(qū)'
    when '61' then '陜西省'
    when '62' then '甘肅省'
    when '63' then '青海省'
    when '64' then '寧夏回族自治區(qū)'
    when '65' then '新疆維吾爾自治區(qū)'
    when '71' then '臺(tái)灣省'
    when '81' then '香港特別行政區(qū)'
    when '82' then '澳門特別行政區(qū)'
    else '未知'end order by province desc

select 
  decode(mod(to_number(substr(t.useridcardnum, 17, 1)), 2),0,'女','男') as sex
 from uip_ca_userinfo t

select to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) as age from uip_ca_userinfo t

select count(t.id),
  case
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 1 and 20 then
   '1-20歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 21 and 30 then
   '21-30歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 31 and 40 then
   '31-40歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 41 and 50 then
   '41-50歲'
   else
   '50歲以上'
  end as 年齡段
 from uip_ca_userinfo t
 group by case
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 1 and 20 then
    '1-20歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 21 and 30 then
    '21-30歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 31 and 40 then
    '31-40歲'
   when to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 41 and 50 then
    '41-50歲'
   else
    '50歲以上'
   end
 order by 年齡段 asc

select count(t.id),
  decode(mod(to_number(substr(t.useridcardnum, 17, 1)), 2),0,'女','男') as sex
 from uip_ca_userinfo t
 where to_char(sysdate, 'yyyy') - substr(t.useridcardnum, 7, 4) between 1 and 26
 group by decode(mod(to_number(substr(t.useridcardnum, 17, 1)), 2),0,'女','男')