How to Create an Auto-Increment Primary Key in PostgreSQL

When working with a PostgreSQL database, you may need to define a primary key column that auto-increments its value for each new record. This can be achieved by using the SERIAL type combined with the PRIMARY KEY constraint. The following steps outline how to accomplish this: Start by creating a new table, for example, let’s call it cars. Specify the columns you want in your table definition, including the primary key column....