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 primary purpose of creating a new PHP file in the tutorial?

• To change the website's design

• To improve the website's loading speed

• To add a new feature for user comments

• To filter posts by category

Which SQL clause is introduced to filter posts by category?

• ORDER BY

• GROUP BY

• HAVING

• WHERE

What issue arises when both articles and categories have an ID field?

• The database crashes

• The data gets duplicated

• The column reference becomes ambiguous

• The query becomes too slow

How is the issue of ambiguous column references resolved?

• By removing the ID field from categories

• By specifying the table name in the query

• By using a different database

• By renaming the ID fields

What does the tutorial suggest for further exploration?

• Adding a search feature

• Implementing update functionality

• Learning a new programming language

• Creating a new website