DACO case studies
DACO · Put your knowledge to work in context.
The DACO credential is aimed at data practitioners who want to demonstrate that they can run data work as a governed, architected, and measurable discipline rather than a series of ad hoc projects. It suits data analysts moving into lead or architect roles, data stewards and governance officers, BI and platform engineers, and consultants who advise clients on data programmes. The DACO case studies are 5 cases and about 4,679 words.
1One Customer Number, Ninety Days, Three Definitions
Northgate Financial is eleven months past its acquisition of a regional insurer. The board has committed to a single customer count in its next regulatory filing, due in 90 days.
925 words, about 5 min2Fifteen-Minute Shipment Status on a Nightly Batch Stack
Meridian Freight moves 40,000 shipments a day. Its analytics stack is a nightly batch ELT: eight sources - ERP, transport management, warehouse management, a Kafka event stream, and three department spreadsheets - land between 01:00 and 07:00 in a Kimball star schema in Snowflake.
922 words, about 5 min3Erasure Requests Against an Immutable Lake and an Open Investigation
Caldera Health is an insurer operating in the EU and two US states. It receives roughly 40 erasure requests and 6 access requests per month, each carrying a 30-day statutory deadline.
907 words, about 5 min4Duplicated Orders, Regressed Status and a Four-Hour Fraud Lag
Vantage Commerce captures orders in MySQL, streams them with Debezium into Kafka, and delivers to two consumers: a warehouse (10-minute freshness is acceptable) and a fraud-scoring service that must respond within 2 seconds. Topics have six partitions keyed by order id.
953 words, about 5 min5Two MRR Numbers and a Silent Eight-Percent Drop
Northwind SaaS sells monthly and annual subscriptions. The CEO's weekly dashboard reports MRR of 4.2M; Finance's revenue schedule shows 3.9M.
972 words, about 5 min