3. Question 3 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…
2. Question 2 What is one of the most significant advantages of an RDBMS? 1 point Requires source and destination tables to be identical for migrating data …
1. Question 1 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? 1 point …
5. Question 5 While data integration combines disparate data into a unified view of the data, a data pipeline covers the entire data movement journey from source to destination systems,…
2. Question 2 Which of the following is an example of unstructured data? 1 / 1 point Video and Audio files Spreadsheets XML Zipped files Correct Video and audio files are…
5. Question 5 In the data engineer’s ecosystem, languages are classified by type. What are shell and scripting languages most commonly used for? 1 / 1 point Manipulating data Building apps Querying…
4. Question 4 Which data source can return data in plain text, XML, HTML, or JSON among others? 1 / 1 point APIs XML PDF Delimited text file Correct APIs can…
3. Question 3 Which one of these file formats is independent of software, hardware, and operating systems, and can be viewed the same way on any device? 1 / 1 point XML…
1. Question 1 There are two main types of data repositories – Transactional and Analytical. For high-volume day-to-day operational data such as banking transactions, Transactional, or OLTP, systems are the…
2. Question 2 Oracle Exadata, IBM Db2 Warehouse on Cloud, IBM Netezza Performance Server, and Amazon RedShift are some of the popular __________________ in use today. 1 / 1 point Data Warehouses…
