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Sales Rep Customer Load

intermediate~8 min20 pts
📊 View Insights

Problem

HR is reviewing how customers are distributed across Sales Support Agents.

Schema: Employee

ColumnType
EmployeeIdINTEGER (PK)
LastNameTEXT NOT NULL
FirstNameTEXT NOT NULL
TitleTEXT
ReportsToINTEGER (FK → Employee)
BirthDateTIMESTAMP
HireDateTIMESTAMP
CountryTEXT

Schema: Customer

ColumnType
CustomerIdINTEGER (PK)
FirstNameTEXT NOT NULL
LastNameTEXT NOT NULL
CompanyTEXT
CountryTEXT
EmailTEXT NOT NULL
SupportRepIdINTEGER (FK → Employee)

Requirements:

  • Restrict to employees whose Title is 'Sales Support Agent'
  • For each agent, return AgentName (FirstName + space + LastName), CountryCount (distinct customer countries), CustomerCount
  • Sort by CustomerCount descending
JOINCOUNTGROUP BYWHEREORDER BY
📊
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Topfolio

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courses

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  • SQL Fundamentals
  • SQL Advanced
  • Python for Data
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practice

  • SQL Fundamentals Interview Test
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  • All Practice Tests

resources

  • How to Become a Data Analyst
  • SQL Interview Questions
  • Data Analyst Salary Guide
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  • SQL vs NoSQL Guide
  • Data Analyst vs Data Engineer vs Data Scientist

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  • Enterprise Screening
  • AI Proctoring Demo
  • Volume Pricing
  • Employer Portal

company

  • About
  • Terms
© 2026 Topfolio. All rights reserved.Made with ❤️ for aspiring analysts