Data Modeling Training

BY
Mindmajix Technologies

Mode

Online

Quick Facts

particular details
Medium of instructions English
Mode of learning Self study, Virtual Classroom
Mode of Delivery Video and Text Based
Frequency of Classes Weekdays, Weekends

Course and certificate fees

certificate availability

Yes

certificate providing authority

Mindmajix Technologies

The syllabus

Basics of Data Modeling

  • What is a Data Modeling?
  • Perquisites for becoming a Data Modeler
  • Data Modeler Duties and Responsibilities.
  • Data Modeler vs Governance
  • Who Needs Data Modeling.
  • Essence of Data Modeling in an Organization.

Data Model Overall Process

  • Understanding the Business Process
  • Identify the Grain
  • Identify the Dimensions
  • Identify the Facts

Notations

  • IDEFIX Methodology
  • IE Methodology

Schema Types

  • Star Schema
  • Snowflake Schema

Data Modeling Types

  • Conceptual Data Models
  • Logical Data Models
  • Physical Data Models
  • Difference between Logical Data Model and Physical Data Model.
  • Relational Data Models
  • Dimensional Data Models
  • Enterprise Data Model 
  • Data Modeling Development Life Cycle.

Dimension Types

  • Junk Dimension
  • Confirmed Dimension
  • Degenerate Dimension
  • Role Playing Dimension
  • Type 0 Dimension
  • Type 1 Dimension
  • Type 2 (Slowly Changing Dimensions)
  • Type 3 Dimension
  • Type 4 Dimension
  • Type 5 Dimension
  • Type 6 Dimension
  • Type 7 Dimension

Fact Types

  • Additive Facts
  • Non Additive Facts
  • Semi Additive Facts

Fact Table Types

  • Transaction Fact Tables
  • Periodic Fact Tables
  • Accumulation Fact Tables

Relationships

  • One to one Relationship
  • One to Many Relationship
  • Many to Many Relationship
  • Resolving Many to Many Relationship
  • Self-Relational Integrity Relationship
  • Normalization Process  - 1NF, 2NF, 3NF
  • Super type and subtype 
  • Exclusive subtypes
  • Inclusive Subtypes
  • Identifying and Non-Identifying.( Mandatory , Non Mandatory)
  • Weak Entities
  • Strong Entities
  • Associative Entities
  • Transaction Tables
  • Classification Table

Data Modeling Standards

  • Naming Standards of Objects( Tables, Attributes, Data Types)
  • Abbreviating Column Names
  • Abbreviation Table Names
  • Description of Column 
  • Description of Table
  • Consistency in Column Names

Dealing with Hierarchy Information

  • Parent and Child Hierarchy
  • Balanced Hierarchy
  • Unbalanced Hierarchy
  • Ragged Hierarchy
  • Static Hierarchy
  • Dynamic Hierarchy

Data modeling more info

  • Forward Engineering
  • Reverse Engineering
  • Subject Areas
  • Comparison of Data Models
  • Mapping Documents.
  • Versioning of Data Models

Data Model Reports

  • Table Level Reports
  • Model Level Reports
  • Subject area Level Reports
  • XML, PDF, XLS, CSV reports.

Practice Test and Interview Questions

Instructors

Mr Sunil Sharma
Trainer
Mindmajix Technologies

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