how avoid dublicate data to mysql

Question

I write the code to scrap car info(title, make, model, transmission, year, price) data from ebay.com and save in the mysql, I want if all row\'s(title, make, model, ...) item\'s

Answer 1

declare the primary key as all the columns in the table. See: https://www.mysqltutorial.org/mysql-primary-key/