Data Analytics case 27: SQL counting for Manufacturing

Scenario

You are a data professional. A bakery production plant has an issue: nobody knows how many records each line holds. As a Reporting Analyst, you are tasked to solve it.

Question

Count the rows in each group.

Your task

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

SQL countingData AnalyticsProblem solving

Read the simple theory: Root-cause analysis

Data Analytics · Problem Solving & Root Cause Analysis — question 27 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 editormachine_runs

Snippets

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

🌈 In short — no coding words

📂 Opens the "machine_runs" 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

machine_runs

IndustryDataset size

The tiny starter data. Bigger data scrolls.

Fields

run_id	line	units
R1	LineA	120
R2	LineB	80
R3	LineA	150
R4	LineC	60

Manufacturing 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.

1 left

Counts