Tag Archives: Section 3.2

Practice Exam A.2.5 – Domain 5: Database Fundamentals – TestOut

Objective: 

This section contains six domain practice reviews related to the CompTIA ITF Practice Exam Domains:

The domain practices:

  • Have 20 questions per domain review
  • Are randomly generated
  • Have no time limit
  • Are not pass/fail
  • Have a percentage score at the end of the session
  • Recommend an 80% passing score.

Links:

Topics Discussed:

  • Section 3.1: Databases
  • Section 3.2: Interfacing with Databases

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Review Section 3.1: Databases and Section 3.2: Interfacing with Databases, and take the 20 question A.2.5 practice test. Your goal is to achieve a score of 80% or higher on the practice test.
  3. After you finish, you may review each question by selecting the Individual Responses option, then return to the relevant section in the course to review the instructional material.
  4. Retake the practice test after reviewing the material to make progress towards and achieve the 80% passing score before advancing to the next Practice Exam.

Assigned: February 10th, 2020
Teacher Pacing Due Date: February 11th, 2020

Section 3.2 – Interfacing with Databases – TestOut

Objective: 

This section introduces you to database access methods, big data, and careers in working with databases. After finishing this section, you should be able to:

  • Explain what SQL is and interpret a basic SQL query.
  • Compare and contrast different methods of accessing data from a database.
  • Define the term Big Data and describe its related challenges and opportunities.
  • Describe various careers in working with databases
  • Use Microsoft Access to perform basic queries on a database.

Links:

Key Terms:

  • Data Definition Language (DDL) Database commands that change the structure, or schema, of the database.
  • Data Manipulation Language (DML) Database commands that modify the records within the database and not the schema itself.
  • Direct Access A method of accessing a database directly using the database management system itself.
  • Query Builder A method of accessing a database using a graphical user interface that allows users to select what actions they want to perform on a database.
  • User Interface Access A method of accessing a database using forms that allow users to interact with the database.
  • Programmatic Access A method of accessing a database using custom computer programs.
  • Data Extraction The process of gathering and organizing big data.
  • Data Mining A broad and open-ended analysis of extracted big data.
  • Big Data Analytics The process of asking specific questions to help interpret big data.
  • NoSQL Nonrelational databases that arise from big data.
  • Database Administrator A person who is responsible for designing, maintaining, backing up, and securing an organization’s databases.
  • Database Developer A person who designs and implements databases, usually by writing SQL code and conducting performance tests to ensure database optimization.
  • Data Analyst A person who specializes in gathering and analyzing data to inform business decisions.
  • Data Scientist A person who focuses on data analysis, especially as it relates to data mining and big data analytics. These positions require even more advanced programming and analytical skills.

Topics Discussed:

  • How can you access and analyze data that’s stored in a relational database?
  • What kinds of questions can be answered by analyzing Big Data?
  • What career opportunities are available in working with databases?

Assignment:

  1. Access the TestOut Courseware through the provided link.
  2. Study Section 3.2: Interfacing with Databases, and achieve a score of 80% or higher on the 10 question Exam to complete the Section.

Assigned: December 9th, 2019
Teacher Pacing Due Date: December 10th, 2019