SQL for Business Questions
Correct Numbers from Real Tables
By Day 5: Write, verify and explain a set of queries that answer one business question set with reconciled numbers.
SQL for Business Questions is a five-day live online WorkReady Capability Sprint for aspiring data/business/MIS analysts, operations and finance learners, and anyone whose next role lists "SQL" in the JD. Days 1–4 are 90-minute sessions and Day 5 is a 2–3 hour Capability Showcase; the complete Sprint costs ₹2,000.
- ₹2,000
- Complete 5-day Sprint
- Days 1–4
- 90 min/day live
- Day 5
- 2–3 hr Capability Showcase
Paid professional capability development. Not a job or placement service.
At a glance
- Who it's for
- Aspiring data/business/MIS analysts, operations and finance learners, and anyone whose next role lists "SQL" in the JD.
- Entry level
- Spreadsheet comfort. No prior SQL required. Open — no readiness check before you join.
- Format
- Online · a focused five-day live online studio
- Duration and schedule
- Days 1–4 are 90-minute live sessions. Day 5 is an extended 2–3 hour Capability Showcase.
- What you produce
- Reconciled query pack + findings note
- Fees
- ₹2,000 for the complete 5-day Sprint
- What it is not
- Not database administration or advanced performance tuning. Not a job or placement service. SkillsNCR does not guarantee employment, placement, salary or interview outcomes.
Learners memorise SELECT syntax but produce wrong numbers through duplicate-creating joins, wrong filters, NULL handling and averages of averages.
Answer real business questions with SQL — correctly — by understanding table grain, joins and denominators, and by checking results before reporting them.
Your five days, day by day
Days 1–4 are 90-minute live sessions. Day 5 is an extended 2–3 hour Capability Showcase. Open each day to see what you do and what you leave with.
Day 1Tables, grain and first questions90 min
- Business question set from a stakeholder brief
- Tables, rows, keys and grain; ER sketch
- SELECT, WHERE, ORDER BY, LIMIT; data-quality first look
You leave the day with: Data map + 5 verified simple queries
Day 2Aggregation that tells the truth90 min
- GROUP BY, HAVING, COUNT DISTINCT
- NULLs, CASE WHEN, date functions
- Reconcile totals against a known control figure
You leave the day with: Aggregated metric queries + reconciliation note
Day 3Joins without lies90 min
- INNER/LEFT joins; fan-out and double counting
- Join to dimension vs join to fact
- Check row counts before/after every join
You leave the day with: Multi-table queries with join checks
Day 4CTEs, window functions and a decision90 min
- CTEs for readable logic
- ROW_NUMBER, running totals, period-over-period
- Turn results into a one-page answer
- Human review and revision
You leave the day with: Query pack v2 + findings note
Day 5Capability Showcase2–3 hr
Changed-case challenge: Reviewer changes the question (new segment, changed date window, returns excluded)
- Explain queries and numbers to a reviewer
- Learner modifies queries and reconciles live
You leave the day with: Final proof pack, submitted after the changed-case challenge
Tools you work with
- DuckDB or SQLite (browser or local)
- BigQuery sandbox
- Supplied multi-table dataset (e.g. Indian e-commerce orders, customers, products, returns, payments)
Tool names describe what is used in the Sprint. No vendor endorsement, certification or licence is implied.
Reconciled query pack + findings note
This is the work you explain, question and adapt in the Day 5 Capability Showcase.
Your proof pack
- 01Data map
- 02Query file with comments
- 03Reconciliation checks
- 04Findings note
- 05Day 5 changed-question queries
What a reviewer checks
- Numbers reconcile to control totals
- Join fan-out detected and avoided
- NULLs and filters handled deliberately
- Learner explains each query in plain language
Your work has to survive a changed case.
On Day 5 you present the work, explain key decisions, identify limitations and respond when part of the case changes. The final proof pack is submitted after that challenge.
- Present
Walk the reviewer through the work and the decisions behind it.
- Question
Answer challenges on evidence, assumptions and risk.
- Adapt
Reviewer changes the question (new segment, changed date window, returns excluded)
- Defend
Submit the final proof pack and explain what changed and why.
₹2,000for the complete 5-day Capability Sprint
- Days 1–4
- Live Sprint sessions · 90 minutes/day
- Day 5
- Extended Capability Showcase · 2–3 hours
Paid professional capability development. Not a job or placement service.
Included in the Sprint
- An applied professional case
- Human review and feedback
- Revision after feedback
- A Day 5 changed-case challenge
- A final proof pack: Reconciled query pack + findings note
Questions worth asking.
Is a Capability Sprint just a short course?
No. It is a focused live capability studio built around doing one bounded kind of professional work, receiving feedback, revising it and demonstrating what you can do.
Will this make me a data analyst?
No. The Sprint builds one bounded capability: write, verify and explain a set of queries that answer one business question set with reconciled numbers. Not database administration or advanced performance tuning. SkillsNCR does not promise a role, job or placement.
Do I need prior experience?
No readiness check is needed. Prerequisite: Spreadsheet comfort. No prior SQL required.
What will I produce?
Data map, Query file with comments, Reconciliation checks, Findings note, Day 5 changed-question queries.
What does a Sprint cost?
₹2,000 for the complete five-day Sprint.
How long is it?
Days 1–4 are 90-minute live sessions. Day 5 is an extended 2–3 hour Capability Showcase.
When is the next cohort?
This Sprint is opening soon. It opens once enough learners join the waitlist — join it on WhatsApp and you will hear when a cohort is confirmed.
Can I join only one Sprint?
Yes. Each Sprint is designed to provide standalone value.
Does this guarantee a job or placement?
No. WorkReady is paid professional capability development, not a job or placement service. SkillsNCR does not guarantee employment, placement, salary or interview outcomes.
Join the waitlist for SQL for Business Questions.
Paid professional capability development. Not a job or placement service.