view table columns postgressql code example

Example 1: how to list columns for particular tables in postgresql

SELECT *
  FROM information_schema.columns
 WHERE table_schema = 'your_schema'
   AND table_name   = 'your_table'
     ;

Example 2: view detailed table schema 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';