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Media.net Software Services (India) Database Developer Interview Questions and Answers
Media.net Software Services (India) Database Developer Interview Experiences
2 interviews found
Anonymous
Selected
I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Second highest Salary
- Ans.
To find the second highest salary in a database table, you can use a SQL query with the ORDER BY and LIMIT clauses.
Use a SQL query with ORDER BY clause to sort the salaries in descending order.
Use LIMIT 1,1 to retrieve the second highest salary.
Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT 1,1;
- Q2. Left and right join explanation
- Ans.
Left join includes all records from the left table and matching records from the right table. Right join includes all records from the right table and matching records from the left table.
Left join: Returns all records from the left table and the matched records from the right table.
Right join: Returns all records from the right table and the matched records from the left table.
Example: Left join - SELECT * FROM table1...
(2 Questions)
- Q1. Question on Binary Search tree
- Q2. One easy array question
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed before May 2023. There was 1 interview round.
(3 Questions)
- Q1. Whar are the different forms of normalization?
- Ans.
Normalization is a process used to organize a database into tables and columns to reduce redundancy and improve data integrity.
First Normal Form (1NF) - Eliminates duplicate data by ensuring each column contains atomic values.
Second Normal Form (2NF) - Requires that each non-key attribute is fully functionally dependent on the primary key.
Third Normal Form (3NF) - Ensures that non-key attributes are not transitively de...
- Q2. What are indexes and how indexing is useful?
- Ans.
Indexes in databases are data structures that improve the speed of data retrieval operations.
Indexes are data structures that store a small portion of the table data in an optimized format for quick retrieval.
They help in speeding up data retrieval operations such as SELECT queries by reducing the number of rows that need to be scanned.
Indexes can be created on one or more columns of a table to improve the performance ...
- Q3. Some logical mathematical questions!
Interview Preparation Tips
- SQL
- RDBMS
- Normalization
- Indexing
- Logical reasoning
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I applied via Naukri.com and was interviewed before Apr 2020. There were 5 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Joins,bulk collect, procedure, function
- Q2. Write a procedure with bulk collect
- Ans.
Procedure with bulk collect for array of strings
Use FORALL statement for efficient processing
Declare a collection type
Use LIMIT clause to control memory usage
Interview Preparation Tips
Interview Questionnaire
2 Questions
- Q1. Core python
- Q2. OOPS concept
I applied via Naukri.com and was interviewed before Oct 2021. There were 2 interview rounds.
(1 Question)
- Q1. They are asking technical questions what is their in the resume
(1 Question)
- Q1. They will technical questions as per your resume what you mentioned
Interview Preparation Tips
Ram
(2 Questions)
- Q1. C# oops polymorphism extension methods
- Ans.
Polymorphism is a key feature of OOP in C#. Extension methods allow adding new functionality to existing types.
Polymorphism allows objects of different classes to be treated as if they are of the same type.
Extension methods are static methods that can be called as if they were instance methods of the extended type.
Polymorphism and extension methods can be used together to add new behavior to existing types without modi
- Q2. Angular javascript vs typescript services components
- Ans.
Angular is a framework for building web applications using TypeScript, which is a superset of JavaScript.
Angular provides a structure for building web applications using components, services, and modules.
TypeScript is a statically typed language that provides better tooling and error checking than JavaScript.
Services in Angular are used for sharing data and functionality across components.
Components in Angular are the ...
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.
(1 Question)
- Q1. Prepare js array and string functions, and React js core concepts
Selected
I appeared for an interview before Oct 2023.
It was based on frontend technologies
(1 Question)
- Q1. Basic frontend question
(1 Question)
- Q1. Managerial round
Selected
I applied via Naukri.com and was interviewed in Apr 2024. There were 3 interview rounds.
(1 Question)
- Q1. It was all about java oops and basic questions
(1 Question)
- Q1. It will related to the our project and some scenario based questions
(1 Question)
- Q1. Salary discussion
I applied via Campus Placement and was interviewed in Aug 2023. There was 1 interview round.
(5 Questions)
- Q1. Easy-Medium level Leetcode questions on linkedlists
- Q2. Simple recursion question
- Q3. An SQL query Basic question in OOPS and resume description..
- Q4. Basic questions regarding SQL
- Q5. Difference between thread and process
- Ans.
A process is an instance of a program while a thread is a subset of a process that can run concurrently with other threads.
Processes have their own memory space while threads share the same memory space within a process.
Processes are independent of each other while threads within the same process can communicate with each other.
Processes are heavier in terms of resource consumption compared to threads.
Example: A web br...
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Media.net Software Services (India) Database Developer Interview Process
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