Metayb Social Media Executive Interview Questions and Answers

Questions based or percentage, profit loss, ratio

Q1. Explain about stacks
Ans. 
Stacks are a data structure that follows the Last In First Out (LIFO) principle.
• Elements are added and removed from the top of the stack

• Common operations include push (add element) and pop (remove element)

• Stacks can be implemented using arrays or linked lists

• Examples of stack usage include function call stack and undo/redo functionality in text editors
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Q2. To find middle number in the linked list
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To find the middle number in a linked list.
• Traverse the linked list using two pointers, one moving twice as fast as the other.

• When the fast pointer reaches the end, the slow pointer will be at the middle node.

• If the linked list has even number of nodes, there will be two middle nodes. Return either one.
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Q1. Introduction , hobbies, goals
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Q2. Strength, weakness, short term and long term goals
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Q1. About academic project
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Q2. About language used in my project
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Q1. Basic 10-15btheorotical question
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Q2. Join + window funct question
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Q1. Difference Between Union and Union All
Ans. 
Union combines and removes duplicates, Union All combines without removing duplicates
• Union combines result sets and removes duplicates

• Union All combines result sets without removing duplicates

• Union is slower than Union All as it involves removing duplicates

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FROM table1 UNION ALL SELECT column1 FROM table2;
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Q2. SQL Execution order
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Q3. Coalesce function in SQL
Ans. 
Coalesce function in SQL is used to return the first non-null value in a list of expressions.
• Coalesce function takes multiple parameters and returns the first non-null value.

• It is commonly used to handle null values in SQL queries.

• Example: SELECT COALESCE(column_name, 'N/A') FROM table_name;
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Simple question on maths

Q1. Explain OOPS concept
Ans. 
OOPS (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve complex problems

• Key principles include encapsulation, inheritance, polymorphism, and abstraction

• Encapsulation ensures that the internal state of an object is hidden from the outside world

• Inheritance allows a class to inherit...read more
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Q2. Coding array questions
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Dp, trees and basic time complexity

Q1. Tell me about your self
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience working in Agile development environment
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Q2. Projects and intership
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Q1. Advance level sql questions
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Q1. Oops concept Js related output questions
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