A P MOLLER MAERSK GROUP TERMINALS Interview Questions, Process, and Tips

Q1. What is SQL Partitioning, give examples
Ans. 
SQL Partitioning is a technique used to divide large tables into smaller, more manageable parts.
• Partitioning helps improve query performance by allowing operations to be performed on smaller subsets of data.

• Examples of partitioning methods include range partitioning, list partitioning, and hash partitioning.

• Range partitioning involves dividing data based on a specified range of values, such as dates or numeric ranges.

• L...read more
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Q2. Write a query to get the values of the 2nd and 3rd highest salary
Ans. 
Query to retrieve the values of the 2nd and 3rd highest salary from a database table.
• Use the ORDER BY clause to sort the salaries in descending order

• Use the LIMIT clause to get the 2nd and 3rd highest salaries
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Q3. Difference between clustered and non-clustered classification. which is better performance wise. what will you do in both cases, in case database is out of storage
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Clustered classification organizes data based on similarity, while non-clustered does not. Performance wise, clustered is better. If database is out of storage, in clustered classification data can be moved to another node, while in non-clustered classification data can be stored in a temporary location.
• Clustered classification organizes data into groups based on similarity, improving query performance.

• Non-clustered cl...read more
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Coding question in java based on array and dynamic programming

Q1. Krushkal algorithm
Ans. 
Kruskal's algorithm is a minimum spanning tree algorithm that connects all vertices in a graph while minimizing total edge weight.
• Sort edges in ascending order

• Add edges one by one to spanning tree

• Ensure no cycles are formed

• Example: Given a graph with vertices A, B, C and edges (A-B: 2), (B-C: 3), (A-C: 4), the algorithm would select (A-B: 2) and (B-C: 3) to form the minimum spanning tree
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Q2. Reverse a string
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Function to reverse a given string and return it.
• Create a function that takes a string as input

• Use built-in functions like reverse() or loop through the string to reverse it

• Return the reversed string
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Q1. Do you know what ap moller does
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Q2. Tell about financial modelling
Ans. 
Financial modelling is the process of creating a mathematical representation of a company's financial situation.
• Financial modelling involves forecasting financial performance, analyzing the impact of different variables, and making informed decisions based on the model.

• It helps in budgeting, valuation, risk assessment, and strategic planning.

• Common tools used for financial modelling include Excel, financial software, a...read more
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Q1. Introduce yourself. .
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Q2. Tell me about your last company
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