mostrar os detalhes dos postgres da tabela
postgres=# \d tablename;
descrever os postgres da tabela
postgres=# \d schema.tablename;
ver esquema detalhado da tabela postgresql
-- All information
SELECT * FROM information_schema.columns
WHERE table_schema = 'some_schema'
AND TABLE_NAME = 'some_table';
-- Or a more simplified version
SELECT
table_name,
column_name,
data_type
FROM
information_schema.columns
WHERE
table_name = 'some_table';
tabela de descrição do postgre
SELECT
table_name,
column_name,
data_type
FROM
information_schema.columns
WHERE
table_name = 'city';