ChallengeTransportSQL+20 XP

Data Analytics case 29: SQL min & max for Transport

Scenario

You are a data professional. A delivery van fleet has an issue: the report needs the best and worst delay_minutes in one line. As a BI Analyst, you are tasked to solve it.

Question

Show the smallest and largest values.

Your task

Read the problem
Write your solution in the editor
Press Check my answer
Deliverable: Lowest and highest
On success it is published as its own portfolio project

SQL min & maxData AnalyticsProblem solving

Read the simple theory: Root-cause analysis

Data Analytics · Problem Solving & Root Cause Analysis — question 29 of 30

Finish all 30 to earn a certificate

1. Choose your dataset

Pick an industry and a size. Your code and results change to match.

IndustrySize

sql editorbus_trips

Snippets

💡 Explain my whole code, line by line (hover any word in the editor for a tip)

🌈 In short — no coding words

📂 Opens the "bus_trips" table→✅ Shows you the answer

Altogether: this query reads your industry table, picks what you need, and shows the answer as rows.

Start typing to see suggestions. Press Enter to use one. Red marks show the line to fix. Drag a bottom corner horizontally and vertically to resize.

Type your code here ↓Tap or click inside the box to start

✍️ Tap here to type

Dataset & schema

bus_trips

IndustryDataset size

The tiny starter data. Bigger data scrolls.

Fields

trip_id	route	delay_minutes
T1	R1	5
T2	R2	12
T3	R1	8
T4	R3	2

Transport data only.

attempts: 0

▶ Output terminal

$ Press “Check my answer” — results appear here.

Your next steps

Each item turns green when your answer includes it.

2 left