需求：用sql實現行轉列。如下圖所示：
行顯示的資料轉換成列顯示
實現行轉列的sql指令碼如下：
select
date_format(
last_day(
date_format(now(), '%y-%m-%d')
),'%y%m%d'
) as 業務日期,
max(case index_code when 'ind20101001' then prsn_total end) as 使用者註冊量,
max(case index_code when 'ind20204001' then prsn_total end) as 完成三項認證人數,
max(case index_code when 'ind20501001' then prsn_total end) as 投資人數,
max(case index_code when 'ind20501001' then count_time end) as 投資筆數,
max(case index_code when 'ind20504001' then prsn_total end) as 新客投資人數,
max(case index_code when 'ind21101001' then count_time end) as 滿標個數,
max(case index_code when 'ind20501001' then amount end) as 投資金額（元）,
max(case index_code when 'ind20504001' then amount end) as 新客投資金額（元）,
max(case index_code when 'ind20502001' then amount end) as 回款續投金額（元）,
max(case index_code when 'ind20505001' then amount end) as 充值金額（元）,
max(case index_code when 'ind20701002' then amount end) as 提現金額（元）,
max(case index_code when 'ind21201001' then amount end) as 資金淨流量（元）,
max(case index_code when 'ind21301001' then amount end) as 站崗資金金額（元）,
max(case index_code when 'ind21101001' then amount end) as 成交額（元）,
max(case index_code when 'ind20505001' then amount end) as 回款金額（元）,
max(case index_code when 'ind20506001' then amount end) as 收益金額（元）,
date_format(now(), '%y%m%d') as 資料時間
from dw_bds.tid01_trans_index_month
where reporting_code='tr04_oper_002'
and data_date = now()
group by data_date;
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