NewVision Software & Consultancy Principal Solution Architect Interview Questions and Answers

Aptitude questions and 2 coding questions were asked

Q1. What are indexes in DBMS
Ans. 
Indexes in DBMS are data structures that improve the speed of data retrieval operations on a database table.
• Indexes are used to quickly locate data without having to search every row in a table.

• They are created on columns in a table to speed up SELECT queries.

• Examples of indexes include primary keys, unique keys, and non-unique indexes.
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Q2. ACID propwrties in DBMS
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ACID properties in DBMS refer to the key characteristics of a transaction: Atomicity, Consistency, Isolation, and Durability.
• Atomicity ensures that all operations in a transaction are completed successfully or none at all.

• Consistency ensures that the database remains in a consistent state before and after the transaction.

• Isolation ensures that the execution of multiple transactions concurrently does not interfere with ...read more
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Q1. Normal behavorial questions
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Questions around general Maths, English, Decision making

Q1. Python lambda functions
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Q2. Cloud (AWS/GCP)
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Q1. Strengths/Weakness
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Q2. Why should we hire you?
Ans. 
I have a strong technical background, excellent problem-solving skills, and a proven track record of delivering high-quality software solutions.
• I have a Bachelor's degree in Computer Science and X years of experience in software development.

• I am proficient in multiple programming languages such as Java, Python, and JavaScript.

• I have successfully led and delivered projects on time and within budget, showcasing my strong
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Normal Quant , Aptitude And 3 coding questions

Q1. Easy Sql queries
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Q2. Some Linux commands
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Q1. Dsa Problem (medium)
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Q2. Dsa Problem (medium to hard)
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Q1. Family Background
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Q1. Explain your biggest technical challenge and hoe did you resolve?
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Q1. Question on java and microservies
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Q1. Current and expected CTC
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Q1. What id oops and its advantages
Ans. 
OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.
• Advantages of OOPs include code reusability, modularity, flexibility, and easier maintenance.

• Encapsulation allows data hiding and protection, reducing complexity and increasing security.

• Inheritance enables code reuse and promotes the creation of hierarchical relationships between classes.

• Polymorphism allows objects...read more
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Q2. What is jquery and JavaScript
Ans. 
jQuery is a JavaScript library that simplifies HTML document traversal and manipulation, event handling, and animation.
• jQuery is a fast, small, and feature-rich JavaScript library.

• It makes things like HTML document traversal and manipulation, event handling, and animation much simpler with an easy-to-use API.

• jQuery simplifies common tasks like AJAX calls and DOM manipulation.

• JavaScript is a programming language that en...read more
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Ecom is core platform

Q1. What is php and its advantages
Ans. 
PHP is a server-side scripting language used for web development.
• PHP stands for Hypertext Preprocessor.

• It is open source and widely used for creating dynamic web pages.

• Advantages include easy integration with HTML, support for various databases, and compatibility with different operating systems.

• PHP code can be embedded within HTML code, making it easy to work with web content.

• Popular websites like Facebook and WordPre
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Q2. How are you hope you doing well
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Basic of aptitude questions

We want to write coding based the question

Q1. Self introduction
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Q2. Technical questions
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Q1. Java opps, collection, spring boot
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Q2. What is string buffer
Ans. 
String buffer is a data structure that stores and manipulates a sequence of characters.
• String buffer is mutable, meaning it can be modified after creation.

• It is often used for efficient string manipulation, such as concatenation or appending.

• Examples include StringBuffer class in Java and StringBuilder class in C#.
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Q3. What is different hasmap and has table
Ans. 
HashMap and HashTable are both data structures in Java used to store key-value pairs, but HashMap is not synchronized and allows null keys/values, while HashTable is synchronized and does not allow null keys/values.
• HashMap is not synchronized, while HashTable is synchronized

• HashMap allows null keys and values, while HashTable does not

• HashMap is faster than HashTable

• HashMap is part of Java Collections framework, while H
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Q4. What is the exception
Ans. 
An exception is an event that disrupts the normal flow of a program's execution.
• Exceptions are used to handle errors and other exceptional events in software.

• They can be caught and handled using try-catch blocks.

• Examples of exceptions include NullPointerException, ArrayIndexOutOfBoundsException, and IOException.
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Q1. Manager, project desscusion
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