RoR & PostgreSQL & JavaScript Test

30 questions total, 65 minutes maximum, for mid-level programmers



Online test includes:

Ruby on Rails  -  10 Questions

PostgreSQL  -  10 Questions

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

JavaScript  -  10 Questions

  • General JavaScript, JavaScript in Browsers
  • JavaScript Objects, Arrays
  • Functions and Scope, Passing by Reference vs. by Value