Joe Celko's Sql Puzzles And Answers Page

: The book presents 75 distinct puzzles based on real-world scenarios, such as tracking employee absenteeism or managing printer loads.

: The solutions generally adhere to ANSI/ISO standard SQL, making them applicable across platforms like Oracle, SQL Server, and Sybase. Why You Should Read It (Pros)

: Reviewers at ThriftBooks and SQLAuthority highlight it as an excellent resource for "leveling up" mid-to-senior developers by exposing them to complex, non-obvious query patterns.

: Joe Celko's deep involvement in the SQL standards committee (SQL-89, SQL-92) gives the book high credibility among "SQL gurus".