`psql` command to view all existing tablespaces?
As documented in the manual, the command to list tablespaces is \db
If you are looking for a command, just enter \? in the psql command line and it will show you all available commands including a short description.
Here is the psql command that you can use:
postgres=# \db+ List of tablespaces Name | Owner | Location | Access privileges | Options | Size | Description ------------+----------+----------+-------------------+---------+--------+------------- pg_default | postgres | | | | 448 MB | pg_global | postgres | | | | 631 kB | (2 rows)