Threshold Filtering: ph at least 7

Scenario

You are a data professional working with environment data. Prepare a reliable result from water_tests for a review.

Question

Show test_id and ph only for records where ph is at least 7. Sort the values from smallest to largest.

Your task

Inspect the provided data and column names
Show test_id and ph only for records where ph is at least 7. Sort the values from smallest to largest.
Run your code and compare the result

WHERE and SortingSQL

Read the simple theory: SQL

Beginner · WHERE And Sorting & Record Counting — question 24 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 editorwater_tests

Snippets

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

🌈 In short — no coding words

📂 Opens the "water_tests" 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

water_tests

IndustryDataset size

The tiny starter data. Bigger data scrolls.

Fields

test_id	river	ph
W1	Vaal	7
W2	Orange	6
W3	Vaal	8
W4	Tugela	5

Environment practice 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.

3 left

Reads the correct table
Applies the threshold
Uses the required operation