PSQL

this is a cli used to interact with PostgreSQL.

INSTALLATION

sudo apt update && sudo apt install psql

BASIC USAGE

target=# \list
                                                   List of databases
   Name    |   Owner   | Encoding |  Collate   |   Ctype    | ICU Locale | Locale Provider |    Access privileges    
 -----------+-----------+----------+------------+------------+------------+-----------------+-------------------------
 christine | christine | UTF8     | en_US.utf8 | en_US.utf8 |            | libc            | 
 postgres  | christine | UTF8     | en_US.utf8 | en_US.utf8 |            | libc            | 
 secrets   | christine | UTF8     | en_US.utf8 | en_US.utf8 |            | libc            | 
 template0 | christine | UTF8     | en_US.utf8 | en_US.utf8 |            | libc            | =c/christine           +
           |           |          |            |            |            |                 | christine=CTc/christine
 template1 | christine | UTF8     | en_US.utf8 | en_US.utf8 |            | libc            | =c/christine           +
           |           |          |            |            |            |                 | christine=CTc/christine
 (5 rows)

 * this list the existing DB
 
christine=# \connect secrets
 sql (15.8 (Debian 15.8-0+deb12u1), server 15.1 (Debian 15.1-1.pgdg110+1))
 You are now connected to database "secrets" as user "christine".

 * this connects to the specified DB
 
christine=# \dt 
          List of relations
 Schema | Name | Type  |   Owner   
 --------+------+-------+-----------
 public | flag | table | christine
 (1 row)

 * list the database's tables
 
secrets=# select * from flag;
              value               
 ----------------------------------
 ...