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SQL Familiarity and Project Examples
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SQL Familiarity and Project Examples

EasySQL · PostgreSQL

Problem

What is your familiarity with SQL? Tell me about yourself and some of your projects.

Using the supplied project and task tables, demonstrate your SQL experience by producing a concise project-level summary.

Output

  1. One row per project, including projects without tasks.
  2. Columns: project_id, project_name, completed_task_count, total_task_hours, and latest_completion_date.
  3. Sort by project_id ascending.

Schema

projects
ColumnTypeDescription
project_idPKINTUnique project identifier
project_nameVARCHAR(100)Project name
project_statusVARCHAR(30)Current project status
project_tasks
ColumnTypeDescription
task_idPKINTUnique task identifier
project_idINTProject associated with the task
task_nameVARCHAR(120)Task name
task_statusVARCHAR(30)Current task status
hoursDECIMAL(8,2)Hours recorded for the task
completed_dateDATEDate the task was completed
Tablesprojectsproject_tasks
Interviewer

Your question is SQL Familiarity and Project Examples. Start with the requirements and the two tables 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.

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