How to make a tag system??

Question

Database design

Implemented a simple code: connecting to a database where id, title, text, date, author are stored. made adding, editing and deleting entries. Through the loop I display it all on the screen.
How can I make tags? Can you recommend any video or article?

Answer 1

make another table with tags.
and then a many-to-many table that will link the table with articles to the table with tags

Answer 2

Think of tags as categories. You make a table of categories and link categories to an article through a third table. However, Igor wrote the same thing.

Answer 3

post
id, title, text, date, author
id, name
post_id, tag_id