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Data Modeling Expert

Design perfect data structures. Become a Data Modeling Expert and lead projects!

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Data Modeling Expert

4 Modules

Course Curriculum

4 Modules · 13 Chapters · 14 Topics · 141 Sub-topics

Introduction to Data and Information

1 Topics

Data and Information Concepts

6 Sub-topics

Understanding Data vs Information

Types of Data - Structured, Semi-Structured, Unstructured

Data Characteristics - Volume, Velocity, Variety, Veracity

Real-World Data Examples and Applications

Information Systems Overview

Data Lifecycle Management

Database Fundamentals

1 Topics

Database and DBMS Concepts

10 Sub-topics

What is a Database

Database vs File System - Key Differences

Database Management System (DBMS) Explained

DBMS Architecture Overview

Components of a DBMS

Database System Environment

Database Users and Roles

Database Administrator Responsibilities

DBMS Advantages Over File Systems

Types of Database Systems Overview

Data Models and Abstraction

1 Topics

Data Models and Architecture

10 Sub-topics

What is a Data Model

Three-Level Database Architecture - External, Conceptual, Internal

Data Independence - Physical and Logical

Schema vs Instance Concepts

Hierarchical Data Model

Network Data Model

Relational Data Model Introduction

Object-Oriented Data Model

Entity-Relationship Model Basics

Comparing Different Data Models

Relational Database (RDBMS) Concepts

1 Topics

Relational Model Fundamentals

15 Sub-topics

Introduction to Relational Model

Understanding Tables (Relations)

Rows (Tuples) and Records

Columns (Attributes) and Fields

Domain and Data Types Concept

Keys in Relational Databases - Overview

Primary Key Concept and Purpose

Foreign Key Concept and Relationships

Candidate Keys and Alternate Keys

Composite Keys

Super Key Concept

Relational Constraints Overview

Entity Integrity Constraint

Referential Integrity Constraint

Domain Constraint

Relationships and Cardinality

1 Topics

Database Relationships

10 Sub-topics

Understanding Database Relationships

One-to-One Relationship

One-to-Many Relationship

Many-to-Many Relationship

Cardinality in Relationships

Participation - Total and Partial

Recursive Relationships

Ternary Relationships

Weak Entities and Strong Entities

Relationship Constraints

Entity-Relationship (ER) Modeling

1 Topics

ER Modeling and Design

11 Sub-topics

Purpose of ER Modeling

ER Diagram Components

Entities and Entity Sets

Attributes - Simple, Composite, Derived, Multi-valued

Relationship Representation

ER Diagram Symbols and Notation

Creating ER Diagrams - Step by Step

Translating Requirements to ER Model

Advanced ER Concepts - Generalization

Specialization and Aggregation

ER Model Best Practices

Relational Schema Design

1 Topics

ER to Relational Mapping

11 Sub-topics

Converting ER Diagrams to Tables

Mapping Entities to Tables

Mapping Attributes to Columns

Mapping Relationships to Tables

Handling One-to-One Relationships

Handling One-to-Many Relationships

Handling Many-to-Many Relationships

Mapping Weak Entities

Mapping Multi-valued Attributes

Mapping Composite Attributes

Mapping Derived Attributes

Functional Dependencies

1 Topics

Functional Dependencies Theory

10 Sub-topics

Understanding Functional Dependencies

Functional Dependency Notation

Trivial vs Non-Trivial Dependencies

Full Functional Dependency

Partial Functional Dependency

Transitive Dependency

Armstrong's Axioms - Reflexivity, Augmentation, Transitivity

Finding Closure of Attributes

Minimal Cover (Canonical Cover)

Identifying Functional Dependencies from Data

Normalization Fundamentals

2 Topics

Database Normalization - Part 1

6 Sub-topics

What is Normalization

Purpose and Benefits of Normalization

Anomalies in Databases - Insert, Update, Delete

Normal Forms Overview

First Normal Form (1NF) - Rules and Requirements

Converting to 1NF - Examples

Database Normalization - Part 2

6 Sub-topics

Second Normal Form (2NF) - Rules and Requirements

Converting to 2NF - Examples

Third Normal Form (3NF) - Rules and Requirements

Converting to 3NF - Examples

Boyce-Codd Normal Form (BCNF)

Difference Between 3NF and BCNF

Advanced Normalization

1 Topics

Higher Normal Forms

10 Sub-topics

Fourth Normal Form (4NF)

Multi-valued Dependencies

Fifth Normal Form (5NF)

Join Dependencies

Denormalization Concept

When to Denormalize

Denormalization Trade-offs

Normalization vs Performance

Practical Normalization Guidelines

Over-Normalization Issues

NoSQL Database Fundamentals

1 Topics

NoSQL Concepts and BASE Properties

11 Sub-topics

What is NoSQL

SQL vs NoSQL Comparison

Why NoSQL Emerged

NoSQL Characteristics

Schema Flexibility in NoSQL

NoSQL Scalability Approach

BASE Properties (Basically Available, Soft State, Eventually Consistent)

ACID vs BASE

When to Use NoSQL

When to Use SQL

NoSQL Database Types Overview

Document Databases

1 Topics

Document-Oriented Databases

13 Sub-topics

Document Database Model Explained

Document Structure - JSON/BSON

Document vs Relational Differences

Document Database Features

Collections and Documents

Document Database Use Cases

Embedded Documents vs References

Denormalization in Document Databases

Querying Document Databases Concept

Indexing in Document Databases

Document Database Examples - MongoDB Concepts

Document Database Advantages

Document Database Limitations

Graph Databases

1 Topics

Graph Database Model

12 Sub-topics

Graph Database Model Explained

Nodes, Edges, and Properties

Graph Database Structure

Graph vs Relational for Relationships

Graph Database Use Cases

Social Network Modeling

Relationship Traversal Concept

Path Finding in Graphs

Graph Database Query Patterns

Graph Database Advantages

Graph Database Limitations

Graph Database Examples - Neo4j Concepts

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Data Modeling Expert

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

Start Your Journey Today

Data Modeling Expert

Certificate of Completion

Course Curriculum

Student Reviews

Frequently Asked Questions

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