CompTIA Data+ (DA0-001) Cert Prep: Domain 1.0 Data Concepts and Environments

Learn about data schemas and dimensions, different data types, common data structures, and file formats, so that you can pass domain 1 of the CompTIA Data+ (DAO-001) exam.

Introduction

• Data concepts and environments
• What you need to know

1. Understanding Data

• The value of data
• Structured vs. unstructured data
• Tabular data
• Key/value pairs

2. Data Types

• Numeric data
• Text data
• Discrete vs. continuous data
• Dates and times
• Multimedia data

3. Data File Formats

• Text files
• JSON data
• HTML data
• XML data

4. Data Storage

• Relational databases
• OLTP and OLAP
• Non-relational databases
• Data schemas

Next Steps

• Continuing your studies