postgres=# d schema.tablename;
SELECT
table_name,
column_name,
data_type
FROM
information_schema.columns
WHERE
table_name = 'city';
d table_name or d+ table_name
or
SELECT
table_name,
column_name,
data_type
FROM
information_schema.columns
WHERE
table_name = 'city';
# describe table in postgres
d+ <postgres_table>