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Buildings with No Employees
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Buildings with No Employees

EasySQL · PostgreSQL

Problem

Give me a list of buildings where there are no employees in them (employee and building tables). Asked in the phone interview, SQL stage.

Write a SQL query using the provided tables.

Output

  1. One row per building with no employees
  2. Columns: building_id, building_name, and city
  3. Sort by building_id in ascending order

Schema

buildings
ColumnTypeDescription
building_idPKINTUnique identifier for the building
building_nameVARCHAR(100)Name of the building
cityVARCHAR(100)City where the building is located
employees
ColumnTypeDescription
employee_idPKINTUnique identifier for the employee
employee_nameVARCHAR(100)Employee's name
building_idINTBuilding assigned to the employee
Tablesbuildingsemployees
Interviewer

Your question is Buildings with No Employees. Start with the requirements and the two tables in the Question tab.

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