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Data Modeling: Entities, Relationships & Normalization

The Data Modeling course equips data analysts, database designers, and enterprise architects with essential skills to transform complex business requirements into accurate, scalable data models. It solves the critical pain point of misaligned data systems by teaching standardized modeling techniques. With demand for data modeling skills growing by 28% annually (DAMA International), this training ensures precision in data definition and system integration.

This course prepares learners for the Open Source Data Modeling Certification (DMC), recognized across industries. Koenig Solutions provides 30-day lab access for hands-on practice, reinforcing real-world modeling proficiency. Graduates gain the expertise to design future-ready data architectures that drive organizational efficiency and career advancement.

24 Hours (3 Days)
Live Online / Classroom
24+ professionals trained

Training Formats & Pricing

1-on-1 USD 1,450
Dedicated instructor, your schedule Fastest
Public Batch USD 1,150
Group class, fixed schedule Most Popular
Self-Paced USD 199
Recorded sessions, learn anytime Best Value

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Course Overview

Master Data Modeling with our expert-led, hands-on training course designed for data architects and database developers. Graduates of this Data Modeling course by Open Source are positioned to pursue the DAMA-CDMP credential, with certified professionals reporting a 15 to 25 percent salary premium. Mid-level data modelers in India earn between 15 to 28 lakh annually, while U.S. counterparts average 90,000 dollars. This course provides essential skills for structuring data for clarity, scalability, and performance, aligning with the DAMA-DMBOK framework to meet the rising demand for data-driven expertise in enterprise roles.

This course provides hands-on experience with key open-source tools including dbSpy for visual entity-relationship diagramming, DuckDB for embedded analytical databases, dbt for transformation workflows, PostgreSQL for relational storage, and Neo4j for graph-based modeling scenarios. Students work in a browser-based lab environment where they build end-to-end data models from conceptual to physical layers, configure schema migrations, and generate executable SQL from visual diagrams. A core project involves designing a normalized OLTP schema for a transactional system and then adapting it into a star schema for analytics, using dbt to implement the transformation pipeline. Through guided exercises, learners gain practical experience in schema versioning, constraint enforcement, and model validation using real-world datasets.

By completing the Data Modeling course, participants are well-prepared for roles requiring proficiency in data architecture and are positioned to advance into leadership positions. Open Source enhances learning with 1-on-1 training options and Guaranteed-to-Run schedules, ensuring access to expert instructors and official courseware. Graduates emerge ready to lead data modeling initiatives, bridge business and technical teams, and advance into data architecture leadership roles in enterprise environments.

What You'll Learn

Create conceptual data models using Open Source Data Modeling techniques, ensuring clear structure and accuracy
Convert ORM diagrams into logical relational models for efficient database design
Apply normalization principles to database schemas to prevent data redundancy and improve data integrity
Use the Open Source NORMA tool to generate accurate DDL scripts for database deployment
Represent subtype-supertype relationships within complex hierarchies for comprehensive data modeling
Collaborate with business users to validate data models through verbalization, ensuring alignment with organizational needs

Skills You'll Gain

ER Diagramming Dimensional Modeling Star Schema Design Snowflake Schema Data Vault Modeling dbt Model Development dbt SQL Transformations dbt Semantic Layer Open Source ERD Tools Reverse Engineering Databases Forward Engineering SQL Logical Data Modeling Physical Data Model Conceptual Data Model Data Contract Validation Open Source Data Modeling Mermaid ER Diagrams

Prerequisites

Recommended knowledge before taking this course
  • Basic knowledge of tables, rows, and columns as used in spreadsheets or relational databases
  • Familiarity with core data concepts like entities, attributes, and relationships
  • Practical experience with SQL commands such as SELECT, INSERT, UPDATE, and DELETE
  • Hands-on experience with at least one relational database management system (RDBMS) like PostgreSQL or MySQL
  • Understanding of primary keys, foreign keys, and referential integrity rules
  • Introduction to entity-relationship (ER) modeling and diagramming techniques
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Certification Exam

Everything you need to know about the Data Modeling: Entities, Relationships & Normalization certification exam

Exam Details
Exam Name
Data Modeling: Entities, Relationships & Normalization
Format
Multiple choice, labs & case studies
Questions
Duration
Passing Score
Validity
Retake Policy
Unlimited
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Course Curriculum

Structured learning with hands-on labs and real-world scenarios

1
Day 1– Data Modeling Foundations Overview
Course goals and technical requirements Initial skill assessment survey Mapping data as terrain Mastering Object-Role Modeling benefits Interpreting ER diagram semantics Defining core modeling objectives Establishing project scope and purpose Abstraction, representation, and realization
2
Day 2– Entity-Relationship Modeling Mastery
Entities, attributes, and relationships ER diagram types and features Clustered data modeling schemes Refining ER for relational databases Reviewing Codd’s 12 Rules Managing M:N and ternary relationships Logical design best practices Using pgModeler and MySQL Workbench for design
3
Day 3– Relational and Network Data Models
Hierarchical one-to-many modeling CODASYL network model fundamentals Foreign keys and referential integrity Standard ER/Relational diagram notations Chen, Barker, IDEF1X, and UML ANSI SQL schema notation standards Leveraging relational model strengths Visualizing schemas with dbdiagram.io
4
Day 4– Normalization and Database Design
Functional dependencies and anomalies 1NF, 2NF, and 3NF examples 4NF and 5NF decomposition techniques Strategic denormalization use cases Dimensional models overview Star and snowflake schema designs Applied normalization exercises Implementing design guidelines
5
Day 5– Modern Data Architectures and Capstone
PostgreSQL JSONB semi-structured modeling NoSQL document modeling with MongoDB Graph data modeling with Neo4j Big Data and distributed schema design Modern data architecture patterns Real-world schema design challenges Capstone Project: End-to-end modeling Evaluating open-source modeling toolchains

What's Included in Your Training

Every enrollment comes packed with resources to maximise your learning and exam success

Career Outcomes

78%

of Data Modeling: Entities, Relationships & Normalization certified professionals report career advancement within 6 months

Salary Impact

+22%

Average salary increase reported after obtaining the Data Modeling: Entities, Relationships & Normalization certification

Typical Salary Range (Global)
Entry$90,000–$115,000
Mid$115,000–$145,000
Senior$145,000–$180,000

*Source: Glassdoor / LinkedIn 2025

Job Roles

6
  • Data Modeler
  • Data Architect
  • Database Administrator (DBA)
  • Business Intelligence Analyst
  • Data Warehouse Modeler
  • Data Engineer

Companies Hiring

5,000+
IBM (Data Governance & Analytics teams) Oracle (Database Engineering & Cloud Infrastructure) Accenture (Data & AI Strategy consulting) Deloitte (Enterprise Data Management practice) Capgemini (Insights & Data division) Wipro (Data Modernization services) JPMorgan Chase (Enterprise Architecture & Data Modeling) Amazon (AWS Data Engineering & Database Services) Google (Cloud Data Analytics & Modeling) Microsoft (Azure Data Architecture & SQL Engineering)

and 5,000+ organizations worldwide seeking Data Modeling: Entities, Relationships & Normalization certified professionals

Real Transformations

Course Student Reviews

Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.

18,400+
Verified Reviews
4.9 / 5
Average Rating
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1M+
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  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

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  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

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    David L.

    AI Engineer

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    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”

    Rahul M.

    Rahul M.

    Azure Administrator

    AZ-104 Certified ✓ Verified
  • ★★★★★

    “I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”

    Sarah K.

    Sarah K.

    CISO, Financial Services

    Enterprise Client ✓ Verified
  • ★★★★★

    “The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”

    Ahmed R.

    Ahmed R.

    Business Intelligence Lead

    PL-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”

    Priya S.

    Priya S.

    Cloud Solutions Architect

    AZ-305 Expert ✓ Verified
  • ★★★★★

    “As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”

    James T.

    James T.

    Head of L&D, UK Enterprise

    100+ Learners Trained ✓ Verified
  • ★★★★★

    “SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”

    Aisha N.

    Aisha N.

    Security Analyst

    SC-300 Certified ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
  • ★★★★★

    “AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”

    David L.

    David L.

    AI Engineer

    AI-102 Certified ✓ Verified
  • ★★★★★

    “DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”

    Mei W.

    Mei W.

    Data Platform Engineer

    DP-600 Certified ✓ Verified
  • ★★★★★

    “Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”

    Carlos R.

    Carlos R.

    Engineering Manager

    AZ-400 Team Training ✓ Verified
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