The Quiz is about Data Analytics Questions with Answers. There are 20 multiple-choice type questions related to “The Data Ecosystem and Languages for Data Professionals” covering the Languages related to the work of data professionals such as query languages, programming languages, and shell scripting. Let us start with the MCQs Data Analytics Questions Quiz now.
Online Multiple Choice Type Data Analytics Questions
Online MCQs Data Analytics Questions with Answers
- Which of the following languages is one of the most popular querying languages today?
- Which NoSQL database type stores each record and its associated data within a single document and also works well with Analytics platforms?
- What type of data repository is used to isolate a subset of data for a particular business function, purpose, or community of users?
- In use cases for RDBMS, what is one of the reasons that relational databases are so well suited for OLTP applications?
- Structured Query Language, or SQL, is the standard querying language for what type of data repository?
- In the data analyst’s ecosystem, languages are classified by type. What are shell and scripting languages most commonly used for?
- Which of the following is an example of unstructured data?
- Which of the data repositories serves as a pool of raw data and stores large amounts of structured, semi-structured, and unstructured data in their native formats?
- SQL (Structured Query Language) was developed to work with relational database management systems (RDBMS).
- What institute adopted SQL as a standard?
- Which of the following is a data source that can be queried by an SQL statement?
- What technical skills are mentioned as essential for Data Analysts?
- Data Marts and Data Warehouses have typically been relational, but the emergence of what technology has helped to let these be used for non-relational data?
- Which one of the NoSQL database types uses a graphical model to represent and store data, and is particularly useful for visualizing, analyzing, and finding connections between different pieces of data?
- What is one of the most significant advantages of an RDBMS?
- Web scraping is used to extract what type of data?
- Which of the provided options offers simple commands to specify what is to be retrieved from a relational database?
- When gathering data, you find agents keep their records and do not constantly update the information in the shared company database. In this case, the data would be considered ————–.
- Document stores (also called document-oriented databases) store objects based on what?
- OpenRefine is an open-source tool that allows you to:
