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psql dex_db

check available database \l

dex_db=# \l
                              List of databases
   Name    | Owner | Encoding |   Collate   |    Ctype    | Access privileges
-----------+-------+----------+-------------+-------------+-------------------
 d2        | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =Tc/dudu         +
           |       |          |             |             | dudu=CTc/dudu    +
           |       |          |             |             | dex=CTc/dudu
 dex_db    | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =Tc/dudu         +
           |       |          |             |             | dudu=CTc/dudu    +
           |       |          |             |             | dex=CTc/dudu
 dexdb1    | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 |
 postgres  | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 |
 template0 | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/dudu          +
           |       |          |             |             | dudu=CTc/dudu
 template1 | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =c/dudu          +
           |       |          |             |             | dudu=CTc/dudu
(6 rows)

select db

\l dex_db

dex_db=# \l dex_db
                             List of databases
  Name  | Owner | Encoding |   Collate   |    Ctype    | Access privileges
--------+-------+----------+-------------+-------------+-------------------
 dex_db | dudu  | UTF8     | en_US.UTF-8 | en_US.UTF-8 | =Tc/dudu         +
        |       |          |             |             | dudu=CTc/dudu    +
        |       |          |             |             | dex=CTc/dudu
(1 row)

list tables \d

dex_db=# \d
                  List of relations
 Schema |          Name           |   Type   | Owner
--------+-------------------------+----------+-------
 public | authd_user              | table    | dex
 public | client_identity         | table    | dex
 public | connector_config        | table    | dex
 public | dex_migrations          | table    | dex
 public | key                     | table    | dex
 public | password_info           | table    | dex
 public | refresh_token           | table    | dex
 public | refresh_token_id_seq    | sequence | dex
 public | remote_identity_mapping | table    | dex
 public | session                 | table    | dex
 public | session_key             | table    | dex
(11 rows)

use encode to show bytea type

dex_db=# select id,encode(secret,'escape') from client_identity;
-[ RECORD 1 ]--------------------------------------------------------
id     | qWXRp93pWJ6mKzoYPlOEL9kgD8_QYQhCODaSEMbb2EE=@127.0.0.1
encode | $2a$10$a.NImDoBxch/GPO2XL/tH.Hc0wZEehZQXXPZstSb0ZNa8UDYWaK4u

describe table

dex_db=# \d session
       Table "public.session"
    Column    |  Type   | Modifiers
--------------+---------+-----------
 id           | text    | not null
 state        | text    |
 created_at   | bigint  |
 expires_at   | bigint  |
 client_id    | text    |
 client_state | text    |
 redirect_url | text    |
 identity     | text    |
 connector_id | text    |
 user_id      | text    |
 register     | boolean |
 nonce        | text    |
 scope        | text    |
Indexes:
    "session_pkey" PRIMARY KEY, btree (id)

select table \x on

dex_db=# \x on
Expanded display is on.
dex_db=# select * from session;
-[ RECORD 1 ]+----------------------------------------------------------------------------------------------------------
id           | YqEuCHscVgs=
state        | REMOTE_ATTACHED
created_at   | 1455864780
expires_at   | 1455907980
client_id    | qWXRp93pWJ6mKzoYPlOEL9kgD8_QYQhCODaSEMbb2EE=@127.0.0.1
client_state |
redirect_url | http://127.0.0.1:5555/callback
identity     | {"ID":"115162047548008935474","Name":"","Email":"iamwhoami@gmail.com","ExpiresAt":"2016-02-19T07:53:41Z"}
connector_id | google
user_id      |
register     | f
nonce        |
scope        | openid email profile
-[ RECORD 2 ]+----------------------------------------------------------------------------------------------------------
id           | 2prwA7hETTk=
state        | EXCHANGED
created_at   | 1455864909
expires_at   | 1455908109
client_id    | qWXRp93pWJ6mKzoYPlOEL9kgD8_QYQhCODaSEMbb2EE=@127.0.0.1
client_state |
redirect_url | http://127.0.0.1:5555/callback
identity     | {"ID":"115162047548008935474","Name":"","Email":"iamwhoami@gmail.com","ExpiresAt":"2016-02-19T07:55:26Z"}
connector_id | google
user_id      | 0ee2468c-5e74-426f-ba01-c555d7630a38
register     | t
nonce        |
scope        | openid email profile

drop db

DROP DATABASE mydb;

drop table

DROP TABLE mytable;