Ruby on Rails & PostgreSQL Test

35 questions total, 75 minutes maximum, for mid-level programmers



Online test includes:

Ruby on Rails  -  20 Questions

  • Models
  • Views
  • Controllers
  • Routes
  • Active Record
  • Miscellaneous: Performance, Cache, Databases

PostgreSQL  -  15 Questions

  • Joins, Queries
  • Grouping, Aggregate Functions, HAVING Clause
  • Subqueries, EXISTS, IN Operators
  • Miscellaneous: Ranking Functions, Foreign Key, UNION Operator, NULLs