Oracle 조회 표 정보 획득 표 필드 및 필드 설명

표 필드 가 져 오기:

select * 
from user_tab_columns 
where Table_Name='   ' 
order by column_name

표 설명 가 져 오기:

select * 
from user_tab_comments 
where Table_Name='   '

order by Table_Name

필드 설명 가 져 오기:

select * 
from user_col_comments 
where Table_Name='   '

order by column_name

/*    ：*/

select table_name from user_tables; //       

select table_name from all_tables; //       

select table_name from dba_tables; //     

select table_name from dba_tables where owner='zfxfzb'

/* 
user_tables：

table_name,tablespace_name,last_analyzed 

dba_tables：

ower,table_name,tablespace_name,last_analyzed 

all_tables：

ower,table_name,tablespace_name,last_analyzed 

all_objects：

ower,object_name,subobject_name,object_id,created,last_ddl_time,timestamp,status  
*/

/*      ：*/

select * from user_tab_columns where Table_Name='   ';

select * from all_tab_columns where Table_Name='   ';

select * from dba_tab_columns where Table_Name='   ';

/* user_tab_columns：

table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id 

all_tab_columns ：

ower,table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id 

dba_tab_columns：

ower,table_name,column_name,data_type,data_length,data_precision,data_scale,nullable,column_id  
*/

/*      ：*/

select * from user_tab_comments

/* 
user_tab_comments：table_name,table_type,comments

     dba_tab_comments，all_tab_comments，    user_tab_comments  ower 。 
*/

/*       ：*/

select * from user_col_comments

/*

user_col_comments：table_name,column_name,comments

     dba_col_comments，all_col_comments，    user_col_comments  ower 。 
*/