Top 10 Reltio MDM Interview Questions & Answers
Posted by Support@InventModel.com Posted by Nov 17, 2025 in Reltio MDM Training
. What is Reltio? How is it different from traditional MDM platforms?
Answer:
Reltio is a cloud-native, modern Master Data Management (MDM) platform built on a big data architecture. Unlike traditional on-prem MDM solutions, Reltio offers:
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Multi-tenant SaaS model
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Real-time data processing
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Scalable graph-based architecture
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Out-of-the-box machine learning capabilities
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Faster deployment and upgrades
It enables connected customer experiences by linking entities, relationships, and interactions.
2. What are the key components of the Reltio platform?
Answer:
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Data Model (L3 Schema) – Entities, attributes, relations
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Data Ingestion – API, batch ingest, real-time connectors
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Data Validation – Rules for cleansing and standardization
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Match & Merge – Survivorship, match rules, merge rules
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Data Quality – Profiling, enrichment, cleansing
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RDM (Reference Data Management)
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Workflow & Task Management
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Search & Analytics Layer
3. Explain Entities, Attributes, and Crosswalks in Reltio.
Answer:
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Entity: A business object such as Customer, Product, Supplier.
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Attribute: Properties/details of an entity (Name, Email, Address).
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Crosswalk: Source-specific values coming from different systems.
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Helps maintain lineage, trust scores, and source priorities.
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4. What is Survivorship in Reltio? How does it work?
Answer:
Survivorship determines which value becomes the “golden record” when multiple source values exist.
Based on:
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Source system trust score
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Recency/most recent update
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Frequency
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Priority rules
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Custom survivorship rules
5. Explain Match Rule Types in Reltio.
Answer:
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Exact Match – Exact value comparison
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Fuzzy Match – Similarity-based matching (email, phone, address)
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Rule-Based Match – Logical conditions (IF-THEN)
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Configurable Match Rules – Using L3 configuration
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Machine Learning Match – Learning patterns to match better over time
6. What is an Interaction in Reltio?
Answer:
Interaction represents events or activities related to entities, e.g.:
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Customer login
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Purchase order
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Support ticket
It helps build 360-degree customer profiles with behavioral insights.
7. How does Reltio handle Duplicate Records?
Answer:
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Match rules detect duplicates using exact and fuzzy matching
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Merge rules combine them
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Survivorship chooses best values
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Data stewards can manually review duplicates
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Auto-merge can be configured for trusted cases
8. What is Reltio RDM? How is it useful?
Answer:
RDM = Reference Data Management, used to maintain master lists like:
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Country codes
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Currency
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Product categories
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Industry classifications
Benefits:
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Standardization across systems
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Avoids inconsistent values
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Supports hierarchy management
9. What is the Reltio L3 Model?
Answer:
L3 is the logical data model used to configure:
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Entities
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Relationships
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Attributes
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Match & merge rules
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Reference data
Everything in Reltio is defined using JSON configuration in L3.
10. How do you integrate Reltio with external systems?
Answer:
Integration happens using:
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REST APIs
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Streaming (Kafka)
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Reltio Integration Hub (Boomi-based)
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Ingestion Jobs (CSV, batch)
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Out-of-the-box connectors (Salesforce, Oracle, SAP, Marketo, etc.)