Scenario: "The organisation is adopting a data mesh architecture." What is the core principle of data mesh?
Data mesh (Zhamak Dehghani) — 4 principles: Domain ownership, Data as a product, Self-serve data platform, Federated computational governance. vs. centralised lake: that model creates a bottleneck at the central data team.
Key vocab:domain ownership, data as a product, data mesh principles, decentralised data architecture.
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Scenario: "The ecommerce domain is publishing a 'Customer Orders' data product." What makes something a data product vs. a database table?
Data product characteristics (Dehghani): discoverable (in catalog), addressable (stable endpoint), self-describing, trustworthy (quality SLA), interoperable.
Key vocab:data product, data product owner, consumer-grade data, data catalog registration.
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Scenario: "The platform team provides self-serve data infrastructure." What does this mean in a data mesh context?
Self-serve platform enables domain autonomy at scale. A domain team can onboard a new data product without central team involvement. Platform abstracts infrastructure complexity.
Key vocab:self-serve data platform, domain autonomy, platform-enabled onboarding, data product templates.
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Scenario: "The data mesh governance model is federated." What does federated computational governance mean?
Federated governance: global = interoperability standards; local = domain-specific business rules. "Computational": embedded in the platform (automated policy enforcement, not manual approval workflows).
Key vocab:federated governance, global standards vs. local policy, computational policy enforcement, governance without bottleneck.
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Scenario: "Migration from centralised data warehouse to data mesh is in progress." What is the most common challenge?
Data mesh is primarily an organisational challenge, not technology. Requires: domain teams with data engineering skills, product mindset for data, new accountability model, change management for data quality culture.
Key vocab:organisational data ownership, data product thinking, cultural shift, operating model change.