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
Monthly Campaign Performance Summary
00:00
5 left

Monthly Campaign Performance Summary

EasySQL · PostgreSQL

Problem

BrightAds wants a simple monthly view of marketing performance from its campaign delivery table. Write a SQL query to summarize campaign results for January 2024.

Requirements

  1. Return one row per channel for campaigns with campaign_date in January 2024.
  2. For each channel, calculate:
    • total impressions
    • total clicks
    • average spend
  3. Sort the result by total_clicks in descending order.

Schema

marketing_campaigns
ColumnTypeDescription
campaign_idPKINTUnique campaign record identifier
channelVARCHAR(50)Marketing channel
campaign_nameVARCHAR(100)Campaign name
campaign_dateDATEDate the campaign ran
impressionsINTNumber of impressions
clicksINTNumber of clicks
spendDECIMAL(10,2)Campaign spend amount
regionVARCHAR(50)Campaign region
Tablesmarketing_campaigns
Interviewer

Your question is Monthly Campaign Performance Summary. Start with the requirements and the one table 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.