产看Oracle表结构

select a.TABLE_NAME,
       c.COMMENTS,
       a.COLUMN_ID,
       a.COLUMN_NAME,
       b.COMMENTS,
       a.DATA_TYPE,
       a.DATA_LENGTH,
       a.DATA_PRECISION,
       a.data_scale,
       case
         when d.POSITION = 1 then
          '是'
         else
          ' '
       end 主键
  from (select a.TABLE_NAME,
               a.COLUMN_ID,
               a.COLUMN_NAME,
               a.DATA_TYPE,
               a.DATA_LENGTH,
               a.DATA_PRECISION,
               a.data_scale
          from user_tab_columns a
         where a.TABLE_NAME in
               (select a.TABLE_NAME
                  from user_tables a
                 where a.TABLE_NAME in
                       ('DCS_RESERVED_DATA_UNDERLYING_INFO',
                        'DCS_RESERVED_DATA_OBJECT_INT_RATE_INFO',
                        'DCS_RESERVED_DATA_FLOAT_INT_RATE_INFO',
                        'DCS_RESERVED_DATA_ASSET_PCKG_OVERVIEW',
                        'DCS_RESERVED_DATA_PYMNT_DATE_CAL',
                        'DCS_RESERVED_DATA_INT_PYMNT_CASHFLOW',
                        'DCS_RESERVED_DATA_PRINCIPAL_REPAYMENT_CASHFLOW',
                        'DCS_RESERVED_DATA_EXCESS_INCOME_CASHFLOW',
                        'DCS_RESERVED_DATA_OPTION_INFO',
                        'DCS_RESERVED_DATA_ASSET_RTNG',
                        'DCS_RESERVED_DATA_ASSET_INSTU',
                        'DCS_RESERVED_DATA_ASSET_INSTU_ENTY_RTNG',
                        'DCS_RESERVED_DATA_CASHFLOW_CLLTN',
                        'DCS_RESERVED_DATA_ASSET_PCKG_INFO',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_INDSTRY',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_AREA',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_DTL',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_PRNCPL_RPYMNT',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_FINCER',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_FINCER_INSTU',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_FINCER_SHRHLDR',
                        'DCS_RESERVED_DATA_BOTTOM_ASSET_FINCER_RTNG'))
         order by a.TABLE_NAME, a.COLUMN_ID) a
  left join user_col_comments b
    on a.TABLE_NAME = b.TABLE_NAME
   and a.COLUMN_NAME = b.COLUMN_NAME
  left join user_tab_comments c
    on a.TABLE_NAME = c.TABLE_NAME
  left join user_cons_columns d
    on a.TABLE_NAME = d.TABLE_NAME
   and a.COLUMN_NAME = d.COLUMN_NAME