Dataford
Interview QuestionsInterview GuidesExperiencesCoaching
New
Pricing
Get started
Dataford
Popular roles
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Browse
Browse All RolesEvery role hub, from analyst to MLBrowse All CompaniesCompany-specific interview loopsAll Interview GuidesThe full guide library
Top questions by role
Software EngineerData AnalystData ScientistData EngineerBusiness AnalystAI EngineerMachine Learning EngineerProduct Manager
Top questions by skill
SQLPythonStatisticsMachine LearningA/B TestingSystem DesignGenerative AIProduct SenseMetricsBehavioral
Browse all questions →Try a mock interview
Experiences
Practice
Mock InterviewsTimed interview simulations with feedbackCoaching1:1 coaching with people at your target companiesSuccess PathYour 6-week structured planModulesCurated lessons by topicWebinarsTalks from ex-Big Tech data leadsPlaygroundA free-form scratch editor
Learn
BlogInterview strategy and career adviceTech Job Market ReportHiring trends across data and AI rolesFor UniversitiesDataford for career centersAbout DatafordWho we are and how we build
Pricing
Build my plan
SQL Table Query Challenges
00:00
5 left

SQL Table Query Challenges

MediumSQL · PostgreSQL

Problem

Payactiv needs a salary analysis for its active workforce. Write a PostgreSQL query that identifies employees with the second highest distinct current annual salary.

Requirements

  1. Consider only employees whose employment_status is Active.
  2. Consider only current compensation records with a non-null annual_salary.
  3. Return every employee tied at the second highest distinct salary.
  4. Include the employee ID, employee name, salary, and salary rank, ordered by employee ID.

Schema

employees
ColumnTypeDescription
employee_idPKINTUnique employee identifier
full_nameVARCHAR(100)Employee's full name
departmentVARCHAR(50)Payactiv department
employment_statusVARCHAR(20)Current employment status
employee_compensation
ColumnTypeDescription
compensation_idPKINTUnique compensation record identifier
employee_idINTEmployee associated with the compensation record
annual_salaryNUMERIC(12,2)Annual salary amount
is_currentBOOLEANWhether the compensation record is current
Tablesemployeesemployee_compensation
Interviewer

Your question is SQL Table Query Challenges. Start with the requirements and the two tables in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

You need to log in / sign up to run or submit.
CodePostgreSQL
Sign up free to run your codeLog inLn 1
Run your query to see results here.