如何向表中添加描述

Question

我知道\ d +列出了表格及其描述，例如：

                           List of relations
 Schema |      Name       | Type  |  Owner  |    Size    | Description
--------+-----------------+-------+---------+------------+-------------
 public | table1          | table | me      | 123 kB     |
 public | table2          | table | me      | 123 kB     |
 public | table3          | view  | me      | 123 kB     |
 public | table4          | table | me      | 123 kB     | some description
 public | table5          | table | me      | 123 kB     |
 public | table6          | table | me      | 123 kB     | another description
(6 rows)

我想知道如何改变描述或写一个描述（如果不存在）。

Answer 1

comment on table table1 is 'This is a new description';
comment on table table4 is 'This is a changed description';

手册中的更多详细信息：http://www.postgresql.org/docs/current/static/sql-comment.html