If you ever want to know, in Oracle database, how much space you have used up so far (in terms of GB) by all of the objects in your schema, you can use the below SQL
seen from United Kingdom

seen from United States
seen from Peru

seen from United States

seen from United States
seen from China

seen from Saudi Arabia

seen from Saudi Arabia
seen from Israel

seen from United States
seen from China
seen from United States

seen from China
seen from United States
seen from United Kingdom
seen from China

seen from United Kingdom
seen from Uzbekistan

seen from Malaysia
seen from Germany
If you ever want to know, in Oracle database, how much space you have used up so far (in terms of GB) by all of the objects in your schema, you can use the below SQL