برای استفاده کامل از سایت، جاوااسکریپت را فعال کنید.

JavaScript is required for the full experience. You can still browse these pages:

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

44mBeginner2021-10-27

Authors

Mike Chapple

Teaching Professor at the University of Notre Dame

Course details

Are you seeking your CompTIA Data+ certification? This course is part of a six-course series preparing you for the Data+ exam. In this course, Mike Chapple, a professor of information technology, analytics, and operations, presents information that you’ll need to know about data concepts and environments. Mike makes sure you understand data: the value of data, types of data, key/value pairs, and so on. Then he dives into data file formats, such as text files, JSON data, HTML data, and XML data. Mike also explains relational databases, OLTP and OLAP data stores, non-relational databases, and data schemas.

Skills covered

Data Science FoundationsCert PrepData Science

Concepts

0. Introduction

01 - Data concepts and environments
02 - What you need to know

1. Understanding Data

03 - The value of data
04 - Structured vs. unstructured data
05 - Tabular data
06 - Key value pairs

2. Data Types

07 - Numeric data
08 - Text data
09 - Discrete vs. continuous data
10 - Dates and times
11 - Multimedia data

3. Data File Formats

12 - Text files
13 - JSON data
14 - HTML data
15 - XML data

4. Data Storage

16 - Relational databases
17 - OLTP and OLAP
18 - Non-relational databases
19 - Data schemas

Next Steps

20 - Continuing your studies