Schlumberger Developer Interview Questions and Answers

Q1. What is HTML vs XHTML
Ans. 
HTML is a markup language for creating web pages, while XHTML is a stricter version of HTML that follows XML rules.
• HTML is more forgiving and allows for sloppy coding, while XHTML requires well-formed and valid code.

• XHTML requires all tags to be closed properly, unlike HTML which allows for self-closing tags.

• XHTML is case-sensitive, while HTML is not.

• XHTML documents must be well-formed XML documents, while HTML documen
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Q1. LRU Cache Implementation
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Q1. Technical challenge faced
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Q2. What are your strengths
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2 question :

1. Find the longest common subsequence in 2 strings
2. find the 5th highest revenue from the table in last 28 days in a particular region

I was given a list of book, genre of books and books and rating of books . All list was of equal length n.

There were 2 methods which need to be implemented
1. get highest rating of book by genre . if rating are same then in lexographical order
2. update book rating by book name

Q1. These questions were basic
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Q2. There were lots of imaginative situation given and then I was asked to say what I would do in those situation
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Q1. Tell Me About urself
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Q2. SAP overview in PM, RCM, P16
Ans. 
SAP is an enterprise resource planning software used for PM, RCM, and P16.
• SAP is a software used for managing business operations and customer relations.

• PM (Plant Maintenance) module in SAP helps in managing maintenance activities like planning, scheduling, and execution.

• RCM (Reliability Centered Maintenance) module in SAP helps in identifying and prioritizing maintenance tasks based on criticality.

• P16 (Project System)...read more
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Q3. Technical skills and maintainance of rotary equipments, if u r planning dept then its an upperhand for u.
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First round was online assessment test with programming and aptitude games

Q1. Group Anagram question
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Q2. SQL question to get name of employee whose salary is greater than average salary of the department
Ans. 
SQL query to retrieve name of employee with salary greater than department average.
• Calculate average salary of department using GROUP BY clause

• Join employee and department tables using department ID

• Filter employees with salary greater than department average

• Select employee name
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It consisted of 3 coding questions and database questions mainly

Q1. About project they asked
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