Overview
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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.
Syllabus
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Introduction
- Data concepts and environments
- What you need to know
- The value of data
- Structured vs. unstructured data
- Tabular data
- Key/value pairs
- Numeric data
- Text data
- Discrete vs. continuous data
- Dates and times
- Multimedia data
- Text files
- JSON data
- HTML data
- XML data
- Relational databases
- OLTP and OLAP
- Non-relational databases
- Data schemas
- Continuing your studies
