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Top Five Workspace Query
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Top Five Workspace Query

MediumSQL · PostgreSQL

Problem

Write a SQL query to find the top five most frequently used workspaces.

Treat a workspace as used when it has a confirmed reservation. Return the five workspaces with the highest confirmed reservation counts, including a workspace with zero confirmed reservations when necessary to complete the top five.

Output

  1. One row per workspace, with workspace_id, workspace_name, and confirmed_reservation_count
  2. Include only the top five workspaces
  3. Order by reservation count descending, then workspace_id ascending to break ties

Schema

workspaces
ColumnTypeDescription
workspace_idPKINTUnique identifier for a WeWork workspace
workspace_nameVARCHAR(100)Display name of the workspace
reservations
ColumnTypeDescription
reservation_idPKINTUnique reservation identifier
workspace_idINTWorkspace associated with the reservation
statusVARCHAR(20)Reservation status
Tablesworkspacesreservations
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