Postgres DB operation

postgresDBQuery.txt

SELECT count(author_id) FROM public.author;
10000000

SELECT * from author WHERE author_id = 7000000;
author_id | first_name | middle_name | last_lame |            job             |  employer  | rating | reviews | students | courses |                      thumbnail                      |                      bio                      |     created_at      | updated_at
7000000 | Marjorie   | Brionna     | Grimes    | Regional Usability Planner | McCullough |    3.6 |   34863 |   589912 |      35 | https://authors-avatar.s3.amazonaws.com/6000000.jpg | Marjorie Brionna Grimes has a BS in National. | 2021-07-10 11:25:24 | 

UPDATE author SET updated_at = created_at where author_id = 7000000;
UPDATE 1