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Manager Direct Reports

intermediate~8 min20 pts
📊 View Insights

Problem

Identify managers and how many direct reports each has by self-joining the Employee table on ReportsTo.

Schema: Employee

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

Requirements:

  • Return ManagerName, ManagerTitle, DirectReports
  • Only include managers who have at least one direct report
  • Sort by DirectReports descending, then ManagerName ascending
Self-JOINEmployee HierarchyCOUNTGROUP BY
📊
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