[Theorem] Differences between conn.commit and conn.autocommit

In PostgreSQL, all user activity occurs in a transaction. If autocommit mode is enabled, each SQL statement forms a single transcation on its on. In this case, no rollback is possible.

 

Source from :

• https://stackoverflow.com/questions/51880309/what-does-autocommit-mean-in-postgresql-and-psycopg2    
• https://stackoverflow.com/questions/57761557/is-there-any-reason-not-to-use-autocommit  
• https://stackoverflow.com/questions/57456134/does-autocommit-in-postgresql-mean-you-cannot-have-transaction-blocks