The Full Stack Web Development - Filter Posts By Category

The video tutorial guides viewers through creating a PHP file to filter posts by category. It involves copying an existing file, modifying the SQL query to include a WHERE clause using an ID from the URL, and resolving ID ambiguity by specifying table names. The tutorial concludes with suggestions for further improvements and encourages continued work with Postgres.

What is the purpose of creating a new file called category PHP?

How do you implement a where clause in the query?

Why is the column reference ID considered ambiguous?

What change is needed to specify which ID to use in the query?

What suggestions does the speaker give for further development of the project?