Modeling Intermediate Quiz 4
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Quiz 4
1. What is the benefit of 'Indexing' a foreign key?
Boosting relational merge speeds dramatically
Reducing storage space used by parameters
Securing targeted attributes with passwords
2. What is a 'Materialized View'?
Dynamic logical definitions computed upon active calls
Pre compiled results stored physically accelerating queries
Virtual configurations holding binary stream outputs uniquely
3. When is 'Horizontal Partitioning' most effective?
Table attributes expand beyond practical field counts
Management needs to modify internal connection keys
Splitting deep datasets into clean date blocks
4. What does 'Vertical Partitioning' involve?
Segmenting data row items across separate hardware structures
Splitting table columns to minimize physical input output loads
Flipping schema block relationships upside down completely models
5. What is 'Data Profiling'?
Examining source systems checking quality metrics and structural layout
Documenting personal employment histories for senior architecture teams
Establishing granular credential levels inside data lake infrastructure
6. What is a 'Semantic Layer' in a data model?
Perimeter security filters shielding table rows
Core computing processor layers inside servers
Business translation masks mapping technical code
7. In an ERD, what does 'Cardinality' represent?
Design interface color palettes
Multiplicity numeric relationship ratios
Total table counts inside schemas
8. What is 'Multi-latency' data?
Warehouse streams arriving at different times
System architectures running consistently slow
Attribute structures stored using multiple text formats
9. What is 'Referential Integrity' violation?
Misconfiguring primary identity parameters within setup scripts
Attaching redundant identification columns to localized tables
Inserting foreign keys missing matching parent master records
10. What is 'Data Redundancy'?
Dropping analytical data attributes by mistake
Storing identical metrics across multiple spaces
Retaining secondary copies on secure drives
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