oracle-获取数据库中所有表的注释 comments

公司dba提供的脚本：

set serveroutput on
set linesize  1000
set feedback off
set long 9999999
set pagesize 0
spool /tmp/getcomments.out
select 'comment on table ' || table_name || ' is ' || '''' || comments ||
       ''';'
  from user_tab_comments
 where comments is not null;

select 'comment on column ' || table_name || '.' || column_name || ' is ' || '''' ||
       comments || ''';'
  from user_col_comments;
spool off;

添加表注释：

COMMENT ON table t1 IS '个人信息';

添加字段注释：
comment on column t1.id  is 'id';
comment on column t1.nameis '姓名';
comment on column t1.age is '年龄';