DesignDecisionArchitecture
Semantic Layer Pattern
Attributes
| labels | Entity,DesignDecision |
| rationale | The 'Semantic Layer Pattern' serves to create an abstraction layer that simplifies complex, multi-table schemas into a unified view, enabling Arctic and other tools to generate accurate queries on consolidated data, improving reliability and user trust in data analysis workflows. |
| alternatives considered | Alternative approaches included limiting to 1-2 tables or raw data exploration without an abstraction layer, but these options lead to higher failure rates and less flexible analysis. |
| decided by | DataLens Data Platform Architect Team |
| decision date | 2026-03-02 |
| tier | 2 |
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