--col_name欄位名，col_type欄位型別，col_comment欄位含義；
--tablename表名，username使用者名稱；
select
c.column_name col_name,
c.data_type col_type,
(select comments from all_col_comments cm where cm.table_name = c.table_name and cm.owner = c.owner and cm.column_name = c.column_name and rownum =
1) col_comment
from
all_tab_columns c
where
c.table_name =
'tablename'
and c.owner =
'username'
--col_name欄位名，col_type欄位型別，col_comment欄位含義；
--tablename表名，username使用者名稱；
select
column_name col_name,
data_type col_type,
column_comment col_comment
from
information_schema.
columns
where
table_name =
'tablename'
and table_schema =
'username'
--col_name欄位名，col_type欄位型別，col_comment欄位含義；
--tablename表名，username使用者模式名；
select
cols.name col_name,
cols.
type col_type,
cols.resvd5 col_comment
from
sysdba.systables t
inner
join
sysdba.syscolumns cols
on cols.id=t.id
inner
join
sysdba.sysschemas sch
on sch.schid=t.schid
where
t.name=
'tablename'
and sch.name =
'username'
--col_name欄位名，col_type欄位型別，col_comment欄位含義，col_length字段長度；
--tablename表名，username使用者模式名；
select
cols.name col_name ,
cols.
type$ col_type ,
cc.comment$ col_comment,
cols.length$ col_length
from
sysobjects t
inner
join syscolumns cols
on cols.id=t.id
left
join syscolumncomments cc
on cc.tvname =t.name
and cols.name =cc.colname
and cc.schname=
'username'
left
join systablecomments tc
on tc.tvname =t.name
and tc.table_type=
'table'
and tc.schname =
'username'
where
t.name =
'tablename'
and t.schid=
(select id from sysobjects where
type$=
'sch'
and name=
'username'
)
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