I want to store each paragraph in a book according to its title Which of the following methods should I use html xml database etc

A database would be the most ideal option to store each paragraph in a book according to its title. You could create a table with fields for the book title and the paragraph content, and then use SQL queries to retrieve the paragraphs for each title. This would allow for easy organization and retrieval of the data. HTML and XML are markup languages and are not suited for storing and managing structured data like paragraphs and titles.