Move a table to another tablespace
PostgreSQLStorageCommand
ALTER TABLE customer SET TABLESPACE ssd_ts;What it does
Physically moves all of the table's data to the new tablespace (disk).
When to use it
To move a table to a faster/separate disk.
Caution
An ACCESS EXCLUSIVE lock is taken on the table during the move; the table is inaccessible until the move completes. Do it in a maintenance window for large tables.