More advanced SQL queries (K-A)

• Challenge: Karaoke song selector (K-A)
• Querying IN subqueries (K-A)
• Challenge: Playlist maker (K-A)
• Restricting grouped results with HAVING (K-A)
• Challenge: The wordiest author (K-A)
• Who issues SQL queries? (K-A)
• Calculating results with CASE (K-A)
• Challenge: Gradebook (K-A)
• Project: Data dig (K-A)