Query that returns tables with number of columns, ordered from the ones that have the most.

Query

select table_schema,
       table_name,
       count(*) as columns
from v_catalog.columns
group by table_schema,
         table_name
order by columns desc;

Columns

• table_schema - name of the schema
• table_name - name of the table
• columns - number of columns in table

Rows

• One row represents one table in a database
• Scope of rows: all tables in a database
• Ordered by number of columns descending - from tables with the most columns

Sample results