Answers for "postgres show columns"

psql show columns of table

SELECT 
   table_name, 
   column_name, 
   data_type 
FROM 
   information_schema.columns
WHERE 
   table_name = 'city';Code language: SQL (Structured Query Language) (sql)

describe table postgres

postgres=# \d schema.tablename;

show details of table postgres

postgres=# \d tablename;