6. Computing and Data

Databases — Quiz

Test your understanding of databases with 5 practice questions.

Practice Questions

Question 1

Which of the following database concepts is crucial for ensuring that all parts of a transaction are completed successfully or none are, thereby maintaining data consistency in financial systems?

Question 2

In the context of data pipelines for actuarial models, which of the following best describes the process of 'data lineage'?

Question 3

When performing complex actuarial calculations that require high computational power and parallel processing on large datasets, which type of database system is often preferred for its ability to scale horizontally and handle distributed queries?

Question 4

An actuarial team needs to analyze the correlation between policyholder demographics and claim frequency. They have two tables: $\text{Policyholders}$ ($\text{PolicyholderID}$, $\text{Age}$, $\text{Gender}$) and $\text{Claims}$ ($\text{ClaimID}$, $\text{PolicyholderID}$, $\text{ClaimDate}$). Which SQL query would correctly join these tables to retrieve the age and gender of policyholders for each claim?

Question 5

What is the primary purpose of data governance in the context of managing large insurance and financial datasets?