PgSQL disk quota is the maximum allowed size of one PgSQL database. If you exceed this quota, you'll be charged for overlimit at a different (usually higher) price.
To change PgSQL disk quota, do the following:
1. Select PGSQL DBs in the Databases menu.
2. Click PGSQL Database.
3. Click the Change icon in the Quota field:
4. Enter the new quota.
5. Click Submit.
6. Agree to additional charges.