select * from user_tab_comments where table_name like 'web_ply_base%';
select * from dba_tab_comments where table_name like 'web_ply_base%';
select wm_concat(column_name)
from user_tab_cols@link_core
where table_name = upper('t_web_ply_base')
order by column_id;
select wm_concat(column_name)
from dba_tab_cols@link_core
where table_name = upper('web_ply_base')
and owner = 'zssys'
order by column_id;
-- 1. 查詢某錶的資料字典
select a.table_name as "表名",
a.column_name as "欄位名",
decode(a.char_length,
0,decode(a.data_scale,
null,
a.data_type,
a.data_type || '(' || a.data_precision || ',' ||
a.data_scale || ')'),
a.data_type || '(' || a.char_length || ')') as "字段型別1",
a.data_type as "字段型別",
a.data_precision as "有效位",
a.data_scale as "精度值",
a.char_length as "字段長度",
a.nullable as "能否為空"
from sys.user_tab_columns a
where a.table_name = 'tam_address';
-- 2. 具有dba許可權使用者匯出資料字典
select a.table_name as "表名",
a.column_name as "欄位名",
decode(a.char_length,
0,decode(a.data_scale,
null,
a.data_type,
a.data_type || '(' || a.data_precision || ',' ||
a.data_scale || ')'),
a.data_type || '(' || a.char_length || ')') as "字段型別",
a.data_default as "預設值",
a.nullable as "能否為空",
b.comments as "備註"
from sys.all_tab_columns a, sys.dba_col_comments b
where a.owner = b.owner
and a.table_name = b.table_name
and a.column_name = b.column_name
and a.owner = 'guoqiang'
and a.table_name in ('tb_subject',
'tb_subject_balance',
'tb_voucher',
'tb_voucher_details',
'tb_customer',
'tb_voucher_classify_mode',
'tb_voucher_type',
'tb_asset',
'tb_asset_catalog',
'tb_m_dm_assets_liabi_rpt',
'tb_m_dm_profit_rpt',
'tb_m_dm_revenue_rpt',
'tb_m_dm_cost_rpt')
order by a.table_name;
-- 3.一般使用者匯出該使用者下的資料字典
select a.table_name as "表名",
a.column_name as "欄位名",
decode(a.char_length,
0,decode(a.data_scale,
null,
a.data_type,
a.data_type || '(' || a.data_precision || ',' ||
a.data_scale || ')'),
a.data_type || '(' || a.char_length || ')') as "字段型別",
a.data_default as "預設值",
a.nullable as "能否為空",
b.comments as "備註"
from sys.user_tab_columns a, sys.user_col_comments b
where a.table_name = b.table_name
and a.column_name = b.column_name
and a.table_name in ('tb_subject',
'tb_subject_balance',
'tb_voucher',
'tb_voucher_details',
'tb_customer',
'tb_voucher_classify_mode',
'tb_voucher_type',
'tb_asset',
'tb_asset_catalog',
'tb_m_dm_assets_liabi_rpt',
'tb_m_dm_profit_rpt',
'tb_m_dm_revenue_rpt',
'tb_m_dm_cost_rpt')
order by a.table_name;
-----使用下面語句從all_constraints檢視中檢視某錶上的約束：
select constraint_name, table_name, r_owner, r_constraint_name from all_constraints
where table_name = 'tbl_organ_sales' and owner = 'zswx';
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