DATACAREERHUB — SILENT VISUAL WALKTHROUGH
Walk through a checked sales comparison
All examples use fictional teaching data. No audio narration.

00s — Read the contract
One row per order; currency is integer EUR cents. Include completed orders only.

15s — Inspect the source
There are 8 unique orders. Two are cancelled; preserve them for reconciliation.

30s — Calculate the result
April 30000 cents; May 40000 cents. Together 70000 completed cents.

45s — Explain the change
EUR100 increase, or 33.3% relative toApril. Two tiny periods do not establish a cause.

60s — Hand over evidence
Supply the query/script, source dictionary, control totals and a limitation.