Product analytics with queries

SQL practice

SQL practice on HackProduct focuses on business questions: funnels, cohorts, retention, monetization, and operational decisions. Writing syntax is table stakes. The harder skill is translating messy product questions into correct queries and trustworthy conclusions.

Who should practice sql?

Engineers preparing for SQL interviews

PMs who need analytics fluency

Data analysts moving into product work

Outcomes

What Hatch trains you to do

These are the capabilities the app grades and coaches while you work through scenarios.

Join product data correctly

Compute retention and cohorts

Diagnose funnel drop-offs

Explain query assumptions

FLOW mapping

How FLOW scores sql

The same four moves apply across every discipline, but the evidence changes by track.

Frame

Frame the business question and define the metric precisely.

List

List tables, join paths, filters, and edge cases.

Optimize

Optimize query shape, assumptions, and result interpretation.

Win

Win by translating output into a decision someone can trust.

Practice formats

Representative prompts

Format

Funnels

Format

Cohorts

Format

Window functions

Format

Aggregations

Format

Experiment analysis

Prompt

Find weekly retention by signup cohort.

Prompt

Identify the funnel step causing checkout conversion to drop.

Prompt

Calculate top customers by expansion revenue over the last quarter.

FAQ

Questions about sql

Is this an alternative to generic SQL drills?

Yes. HackProduct frames SQL as product analytics: the query must answer a decision, not just pass a toy test.

Do SQL scenarios include schemas?

Practice previews are public; full app drills include schemas, sample data, execution, and feedback.

Turn sql into reps.

Run a live loop, get a score, and see the next move.