Check out example codes for "search for tables with name postgresql". It will help you in understanding the concepts better.

Code Example 1

select table_schema,
       table_name
from information_schema.tables
where table_name like 'payment%'
      and table_schema not in ('information_schema', 'pg_catalog')
      and table_type = 'BASE TABLE'
order by table_name,
         table_schema;
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