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SQL Queries Code Interviews QA 50 plus

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Here are SQL-focused interview questions with only the relevant SQL code: 1. Find the second highest salary from an Employee table. SELECT MAX(Salary) AS SecondHighestSalary FROM Employees WHERE Salary < (SELECT MAX(Salary) FROM Employees); Using ROW_NUMBER(): WITH RankedSalaries AS (   SELECT Salary, ROW_NUMBER() OVER (ORDER BY Salary DESC) AS Rank   FROM Employees ) SELECT Salary AS SecondHighestSalary FROM RankedSalaries WHERE Rank = 2; --- 2. Write a query to calculate a running total of sales. SELECT   OrderID,   OrderDate,   Amount,   SUM(Amount) OVER (ORDER BY OrderDate) AS RunningTotal FROM Orders; --- 3. Retrieve customers who placed no orders using a LEFT JOIN. SELECT c.CustomerID, c.CustomerName FROM Customers c LEFT JOIN Orders o ON c.CustomerID = o.CustomerID WHERE o.OrderID IS NULL; --- 4. Write a query to find the top 3 highest salaries. SELECT DISTINCT Salary FROM Employees ORDER BY Salary DESC LIMIT 3; Using DENSE_RANK(): WIT...

SpaceTech Insurance latest trends

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The space technology insurance sector is evolving rapidly, driven by increased commercial space activities, technological advancements, and emerging risks. Key trends shaping this industry include: 1. Expansion of Coverage Areas Satellite Insurance: This remains crucial for both governmental and commercial entities, covering various stages from pre-launch to in-orbit operations. Policies typically address launch failures, in-orbit malfunctions, and third-party liabilities.  Launch and In-Orbit Coverage: Insurers offer protection against potential losses during the critical phases of satellite deployment and operation, ensuring financial safeguards against unforeseen events. Personal Accident Insurance for Astronauts: With the rise of human spaceflight and space tourism, there's a growing demand for policies that cover accidents, injuries, or fatalities during missions. 2. Rising Demand Due to Commercial Space Activities Proliferation of Small Satellites: The surge in sm...

Insurance team's work during natural disaster events Role play scenario how Insurance team's work

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Scenario: Underwriting Natural Disaster Risk in Hurricane-Prone Regions Key Players: 1. Sophia (Underwriting Manager): Oversees policy design and premium determination. 2. Ethan (Actuarial Analyst): Specializes in catastrophe modeling and predictive analytics. 3. Amara (Risk Assessment Lead): Focuses on environmental risk and regional vulnerability analysis. 4. Liam (Claims Analyst): Provides historical claims data and disaster impact insights. 5. Maya (GenAI Specialist): Leverages AI-driven tools for data processing and scenario simulations. --- Step 1: Initial Meeting Sophia: "Team, we’re planning to underwrite policies in a hurricane-prone region. I need a detailed analysis of potential risks and pricing recommendations." Ethan: "I’ll gather data on past hurricanes and run catastrophe models to estimate potential losses." Amara: "I’ll analyze the geographical and environmental factors contributing to the region's risk." Maya: "I’ll ...

Insurance Value Chain and Actuarial Analytics

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The insurance value chain is a comprehensive framework that encompasses the entire process of creating, marketing, selling, managing, and servicing insurance products. This process is broken down into several key stages, each of which plays a crucial role in the overall success of an insurance company. Here's a detailed look at these stages, from marketing to core product creation, and an explanation of how actuarial analytics are utilized throughout the value chain. 1. Marketing and Distribution    - Marketing : The insurance process begins with understanding the market, identifying the target audience, and determining the needs and preferences of potential customers. Marketing teams conduct market research to gather data on customer behavior, competitive landscapes, and emerging trends. This research is critical in shaping marketing strategies, which may include advertising campaigns, digital marketing efforts, partnerships, and other promotional activities aimed...