Modeling Advanced Quiz 2
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Quiz 2
1. What is the fundamental purpose of a 'Hub' table in Data Vault modeling?
Storing descriptive attribute properties detailing corporate entity actions.
Recording transactional metrics calculating numeric business process relationships.
Anchoring unique core business keys to track enterprise identities independently.
2. What does a Data Vault 'Link' table represent?
Connection configurations mapping cloud storage folder paths together automatically.
Associations or relational transactions occurring between two or more core business hubs.
Backup identity rows tracking historical primary structures within isolated cluster nodes.
3. Where is contextual, descriptive, and historic data stored in a Data Vault?
Satellite Tables
Bridge Tables
Junction Tables
4. Why does Data Vault avoid overwriting historical descriptive records?
String modifications delay real-time analytical pipelines running in distributed nodes.
Relational storage rules mandate fixed row counts across active instances.
To enforce complete, auditable traceability of all historical data states.
5. What is an 'Anchor Model'?
A highly decomposed approach isolating attributes into independent physical tables.
Static database templates pinning enterprise keys across multi-region servers.
Relational systems linking foreign keys directly to specialized edge index spaces.
6. In Data Vault, a 'Point-in-Time' (PIT) table is used to:
Schedule chronological archival extractions dropping old data out of processing zones.
Optimize join processing speeds across multiple satellite tables with varying timelines.
Calculate temporal performance metrics inside staging layers before running pipeline loads.
7. What defines a 'Conformed Fact' in enterprise data modeling?
Text parameters matching identical syntax formatting across separate business reports.
Metric variables compressed systematically saving physical calculation space in the cloud.
Structured numeric metrics utilizing uniform definition criteria across multiple data marts.
8. What is the primary benefit of Data Vault 2.0 using Hash Keys instead of Sequence Keys?
Enabling parallel loading processes by removing cross-table lookup bottlenecks.
Shrinking the total physical byte footprint required across cluster storage files.
Automating end-user identity masking compliance protocols directly inside primary keys.
9. What does 'Operational Data Store' (ODS) mean?
Long-term deep archive systems holding transactional histories for compliance audits.
An interim database consolidating real-time transactional data from diverse production networks.
Analytical sandbox environments enabling ad hoc model experimentation for design teams.
10. What is 'Data Mesh' architecture?
A single central framework managing cloud server pipelines using enterprise automation.
Hierarchical database design organizing metadata indices under unified control platforms.
A decentralized, domain-driven architecture treating data assets as localized products.
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