Quiz
Quiz
Disadvantages of non-relational databases include: Data Consistency — non-relational databases do
not perform ACID transactions.
Note: Relational databases are optimized for writes. They are optimized for consistency and
availability. Advantages of relational databases include simplicity, ease of data retrieval, data
integrity, and flexibility.
Incorrect Answers:
Use a relational database when data that you work with is structured, and the structure is not subject
to frequent changes.
Use Cloud storage (no relational database) for geographically distributed writes.
Reference:
[https://towardsdatascience.com/choosing-the-right-database-c45cd3a28f77](https://towardsdatascience.com/choosing-the-right-database-c45cd3a28f77)
Quiz
Quiz
Generally speaking, data analytics comes in four types (Figure 1):
Descriptive, to answer the question : What’s happening?
Diagnostic, to answer the question: Why’s happening?
Predictive, to answer the question: What will happen?
Prescriptive, to answer the question: What actions should we take?
Reference:
[https://azure.microsoft.com/en-us/blog/answering-whats-happening-whys-happening-and-what-](https://azure.microsoft.com/en-us/blog/answering-whats-happening-whys-happening-and-what-)
will-happen-with-iot-analytics/
Quiz
Your company plans to load data from a customer relationship management (CRM) system to a data
warehouse by using an extract load, and transform (ELT) process.
Where does data processing occur for each stage of the ELT process? To answer, drag the appropriate
locations to the correct. Each location may be used once, or not at all, You may need to drag the split
bar between panes or scroll to view content.
NOTE: Each correct selection is worth one point.
Box 1: The CRM system
Data is extracted from the CRM system.
Box 2: The data warehouse
Data is loaded to the data warehouse.
Box 3: An in-memory data integration tool
The data transformation that takes place usually involves various operations, such as filtering,
sorting, aggregating, joining data, cleaning data, deduplicating, and validating data.
Reference:
[https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/etl](https://docs.microsoft.com/en-us/azure/architecture/data-guide/relational-data/etl)
Quiz
You have the chart shown in the following exhibit.
Which type of analysis is shown for the fourth quarter?
Quiz
Match the types of workloads the appropriate scenario.
To answer, drag the appropriate workload type from the column on the left to its scenario on the
right. Each workload type may be used once, more than once or not at all.
NOTE: Each correct match is worth one point.
Quiz
Note: Each correct selection is worth one point.
Quiz
Match the types of analytics that can be used to answer the business questions.
To answer, drag the appropriate analytics type from the column on the left to its question on the
right. Each analytics type may be used once, more than once, or not at all.
NOTE: Each correct match is worth one point.
Quiz
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