oracle檢視表結構和注釋

檢視表結構：

看欄位名與資料型別 

select   *   from   cols     where   table_name=upper( 'table_name ') 

檢視主鍵： 

select   *   from   user_constraints   where   constraint_type= 'p ' 

and   table_name=upper( 'table_name ')

另外：在sqlplus中,用     desc   tablename 

在pl/sql工具中,可以通過檢視user_tab_columns   檢視 

select   *   from   user_tab_columns   where   table_name   =   upper(tablename) 

根據外鍵名檢視表名：

select  table_name from all_constraints where constraint_name = '外鍵名';

檢視備註：

--檢視表的comment 

select   *   from   all_tab_comments   where   table_name= upper(tablename) ;

--檢視列的comment 

select   *   from   all_col_comments   where   table_name=upper(tablename) ;

oracle 檢視表結構和注釋

select t1.table name,t1.column name,t1.data type t1.data length t2.comments from user tab cols t1,user col comments t2 where t1.table name t2.table na...

oracle 檢視表結構和注釋

oracle 檢視表結構和注釋 select t1.table name,t1.column name,t1.data type t1.data length t2.comments from user tab cols t1,user col comments t2 where t1.table ...

oracle 檢視表結構和注釋

select t1.table name,t1.column name,t1.data type t1.data length t2.comments from user tab cols t1,user col comments t2 where t1.table name t2.table na...