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:

  • Multi-tenant SaaS model

  • Real-time data processing

  • Scalable graph-based architecture

  • Out-of-the-box machine learning capabilities

  • 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:

  • Data Model (L3 Schema) – Entities, attributes, relations

  • Data Ingestion – API, batch ingest, real-time connectors

  • Data Validation – Rules for cleansing and standardization

  • Match & Merge – Survivorship, match rules, merge rules

  • Data Quality – Profiling, enrichment, cleansing

  • RDM (Reference Data Management)

  • Workflow & Task Management

  • Search & Analytics Layer

3. Explain Entities, Attributes, and Crosswalks in Reltio.

Answer:

  • Entity: A business object such as Customer, Product, Supplier.

  • Attribute: Properties/details of an entity (Name, Email, Address).

  • Crosswalk: Source-specific values coming from different systems.

    • Helps maintain lineage, trust scores, and source priorities.

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:

  • Source system trust score

  • Recency/most recent update

  • Frequency

  • Priority rules

  • Custom survivorship rules

5. Explain Match Rule Types in Reltio.

Answer:

  1. Exact Match – Exact value comparison

  2. Fuzzy Match – Similarity-based matching (email, phone, address)

  3. Rule-Based Match – Logical conditions (IF-THEN)

  4. Configurable Match Rules – Using L3 configuration

  5. 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.:

  • Customer login

  • Purchase order

  • Support ticket
    It helps build 360-degree customer profiles with behavioral insights.

7. How does Reltio handle Duplicate Records?

Answer:

  • Match rules detect duplicates using exact and fuzzy matching

  • Merge rules combine them

  • Survivorship chooses best values

  • Data stewards can manually review duplicates

  • 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:

  • Country codes

  • Currency

  • Product categories

  • Industry classifications

Benefits:

  • Standardization across systems

  • Avoids inconsistent values

  • Supports hierarchy management

9. What is the Reltio L3 Model?

Answer:
L3 is the logical data model used to configure:

  • Entities

  • Relationships

  • Attributes

  • Match & merge rules

  • 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:

  • REST APIs

  • Streaming (Kafka)

  • Reltio Integration Hub (Boomi-based)

  • Ingestion Jobs (CSV, batch)

  • Out-of-the-box connectors (Salesforce, Oracle, SAP, Marketo, etc.)

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