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SQL query to print rows with no match in a second table
Use LEFT JOIN to join the two tables
Filter the rows where the second table's primary key is NULL
SELECT the columns from the first table
Final, finally and finalise are related to completion or conclusion, but have different meanings and usage.
Final is an adjective used to describe the last or ultimate stage of something.
Finally is an adverb used to indicate the end of a process or event after a long wait or delay.
Finalise is a verb used to complete or finish something, often with a formal or official process.
Examples: The final exam, finally finis...
Real-time examples of OOP concepts
Inheritance: A car is a vehicle, inheriting properties of a vehicle
Polymorphism: A shape can be a square or a circle, both implementing the same area method
Abstraction: A TV remote has buttons to perform actions, but the user doesn't need to know how it works internally
Encapsulation: A bank account has private data like balance, which can only be accessed through public methods
HashMap is a data structure that stores key-value pairs and allows fast retrieval of values based on keys.
HashMap is part of the Java Collections Framework.
It uses hashing to store and retrieve elements.
It allows null values and null keys.
It is not synchronized by default, but can be made synchronized using Collections.synchronizedMap() method.
Example: HashMap
What people are saying about NTT Data
Windows is a widely used operating system developed by Microsoft, known for its graphical user interface and extensive software support.
Introduced in 1985, Windows has evolved through multiple versions, including Windows 10 and Windows 11.
Windows supports a wide range of applications, from productivity software like Microsoft Office to games and development tools.
The operating system features a user-friendly inter...
It is not recommended to add user stories in the middle of the sprint.
Product owner should be advised to wait until the next sprint planning meeting to add the user story.
If the user story is critical, the team should discuss and decide if it can be accommodated within the current sprint.
Adding user stories in the middle of the sprint can disrupt the team's focus and impact the sprint goal.
The Scrum Master should ...
User story estimation is done using relative sizing and team consensus.
Use story points to estimate complexity and effort
Relative sizing is used to compare user stories
Team consensus is important for accurate estimation
Estimation should be done by the entire team, including developers and stakeholders
Loc Perf is not a commonly known term in the field of Network Administration.
There is no widely accepted definition or explanation for Loc Perf in the context of Network Administration.
It is possible that the term is specific to a particular organization or system.
Without more information or context, it is difficult to provide a meaningful answer to this question.
BGP stands for Border Gateway Protocol. It is a routing protocol used to exchange routing information between different networks.
BGP is used to connect different autonomous systems (AS) on the internet.
It is a path-vector protocol that selects the best path for data to travel based on various attributes.
BGP is commonly used by internet service providers (ISPs) to connect their networks to the internet.
It is also u...
Validation of BI reports involves verifying data accuracy, completeness, and consistency.
Verify data accuracy by comparing with source systems
Ensure completeness by checking all expected data is present
Check consistency by comparing with historical data or benchmarks
Validate calculations and aggregations
Test report functionality and user experience
As a Senior Associate, my job responsibility was to oversee project management, client communication, and team coordination.
Managed project timelines and deliverables
Communicated with clients to ensure satisfaction and address any issues
Coordinated team members to ensure tasks were completed efficiently
Provided guidance and support to junior associates
Analyzed data and prepared reports for senior management
My previous job experience involved managing large-scale construction projects for commercial buildings.
Managed construction projects from start to finish
Coordinated with architects, engineers, contractors, and clients
Ensured projects were completed on time and within budget
Handled permits, inspections, and compliance with building codes
Examples: Office building renovation, retail store construction
Programming languages and tools like C++, Java, Python, and SQL are crucial for software development, data analysis, and machine learning.
C++: Used for system/software development and performance-critical applications like game engines.
C: Foundation for many languages; ideal for embedded systems and low-level programming.
Java: Widely used in enterprise applications, Android development, and large-scale systems.
Python: ...
Computer networks are crucial for communication, data sharing, and resource management in various sectors.
Facilitates communication: Enables instant messaging, video conferencing, and emails, enhancing collaboration.
Data sharing: Allows multiple users to access and share files, improving efficiency in workplaces.
Resource management: Centralizes resources like printers and servers, reducing costs and improving accessibi...
The aptitude test were of logical reasoning, mathematics etc.
I appeared for an interview in Jan 2025.
Interfaces allow multiple inheritance, abstract classes do not.
Interfaces can be implemented by multiple classes, allowing for multiple inheritance.
Abstract classes can only be extended by one class, limiting inheritance.
Interfaces promote loose coupling and flexibility in design.
Abstract classes provide a common base implementation for subclasses.
Program to find occurrences of a specified character in a string, excluding spaces and special symbols.
Iterate through each character in the string
Check if the character is the specified character and not a space or special symbol
Store the occurrences in an array of strings
Autowired annotation in Spring framework injects dependencies automatically
Autowired annotation is used for automatic dependency injection in Spring framework
It eliminates the need for explicit bean wiring in XML configuration files
Autowired annotation can be used on fields, constructors, or methods
It searches for a bean of the same type and injects it into the annotated field
Spring Boot uses @Primary annotation to determine which data source to use when multiple are available.
Spring Boot uses the @Primary annotation to specify the primary bean to be used when multiple beans of the same type are present.
If no specific profile is defined, Spring Boot will use the bean marked with @Primary as the default data source.
Developers can also use @Qualifier annotation to specify which bean to use if...
Qualifier annotation is used in Spring framework to distinguish between beans of the same type.
Qualifier annotation is used in Spring framework to resolve ambiguity when multiple beans of the same type are present.
It is used in conjunction with Autowired annotation to specify which bean should be injected.
For example, @Qualifier("myBean") can be used to specify a particular bean named 'myBean' to be injected.
I appeared for an interview in Jun 2025, where I was asked the following questions.
Yes, I have reviewed my resume and am well-prepared to discuss my skills and experiences in detail.
I have extensive experience in system integration, particularly with cloud-based solutions, such as AWS and Azure.
My resume highlights my proficiency in scripting languages like Python and PowerShell, which I have used to automate deployment processes.
I have successfully led integration projects that improved system effic...
The role involves integrating complex systems, ensuring seamless communication and functionality across various platforms.
Collaborate with cross-functional teams to design and implement integration solutions, such as connecting CRM systems with ERP software.
Analyze system requirements and specifications to ensure compatibility and performance, like assessing data flow between legacy systems and new applications.
Trouble...
I appeared for an interview in Jan 2025.
Managed a team to implement a new claims processing system
Led a team of 10 employees to successfully implement a new claims processing system
Coordinated with IT department to ensure system compatibility and functionality
Provided training and support to staff during system transition
Monitored project progress and addressed any issues that arose
Completed project on time and within budget
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.
I have 5 years of experience as a Talent Acquisition Specialist in a Fortune 500 company.
Led recruitment efforts for various departments, including IT, finance, and marketing.
Implemented innovative sourcing strategies to attract top talent.
Conducted interviews, negotiated offers, and onboarded new hires.
Collaborated with hiring managers to understand their needs and provide tailored recruitment solutions.
Talent Acquisition Specialists are responsible for sourcing, attracting, and hiring top talent for an organization.
Developing and implementing recruitment strategies
Sourcing candidates through various channels such as job boards, social media, and networking events
Screening resumes and conducting interviews
Collaborating with hiring managers to understand staffing needs
Negotiating job offers and managing the onboarding ...
I applied via Naukri.com and was interviewed in Nov 2024. There were 3 interview rounds.
A SOC analyst monitors, detects, and responds to security incidents to protect an organization's information systems.
Monitor security alerts and logs to identify potential threats.
Analyze security incidents to determine their impact and origin, e.g., investigating a phishing attack.
Respond to security breaches by implementing containment and remediation strategies.
Collaborate with IT teams to enhance security measures ...
I bring a strong analytical mindset, relevant skills, and a passion for cybersecurity to excel as a SOC Analyst 1.
Proficient in security monitoring tools like SIEM, enabling quick identification of threats.
Completed a cybersecurity certification, demonstrating my commitment to the field.
Experience in incident response during an internship, where I helped mitigate a simulated attack.
Strong communication skills, allowing...
Creating an EC2 instance involves several steps such as selecting an AMI, choosing an instance type, configuring instance details, adding storage, configuring security groups, and launching the instance.
Select an AMI (Amazon Machine Image) - Choose the operating system and software that will be pre-installed on the instance.
Choose an instance type - Select the hardware configuration (CPU, memory, storage, etc.) for the...
I applied via Naukri.com and was interviewed in Sep 2024. There were 3 interview rounds.
Data analysis is crucial for making informed decisions, identifying trends, and solving complex problems.
Helps in making informed decisions based on data-driven insights
Identifies trends and patterns that can lead to strategic business decisions
Aids in solving complex problems by analyzing data to find root causes
Improves efficiency and effectiveness of processes through data-driven optimizations
To become a data analyst, one should focus on acquiring relevant education, gaining experience with data analysis tools, and developing strong analytical and problem-solving skills.
Obtain a degree in a related field such as statistics, mathematics, computer science, or data science.
Gain experience with data analysis tools such as SQL, Python, R, and Excel.
Develop strong analytical and problem-solving skills by working ...
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
Logic App logs are stored in Azure Monitor Logs (formerly known as Log Analytics).
Logic App logs are stored in Azure Monitor Logs, which is a centralized log storage and analytics service in Azure.
Logs can be viewed and analyzed using Azure Monitor Logs queries.
Logs can also be integrated with other Azure services for monitoring and alerting purposes.
Use the OFFSET and FETCH clauses in SQL to get the 5th top position data.
Use the ORDER BY clause to sort the data in descending order.
Use the OFFSET clause to skip the first 4 rows.
Use the FETCH clause to retrieve only the next row after skipping the first 4 rows.
Custom middleware in .NET Core can be implemented by creating a class that implements the IMiddleware interface and adding it to the application pipeline.
Create a class that implements the IMiddleware interface
Implement the InvokeAsync method in the middleware class to handle the request processing logic
Add the custom middleware to the application pipeline in the Configure method of the Startup class
Authentication verifies the identity of a user, while authorization determines what resources a user can access.
Authentication confirms the identity of a user through credentials like username and password.
Authorization determines the permissions and access levels of a user based on their authenticated identity.
In ASP.NET Core, authentication is handled through middleware like Identity, OAuth, or JWT tokens.
Authorizati...
Session management in ASP.NET Core involves storing and retrieving user-specific data during a user's visit to a website.
Session data is stored on the server side by default in ASP.NET Core
Session data can be accessed and manipulated using the HttpContext.Session property
Session data can be configured to use different storage providers such as in-memory, distributed cache, or SQL Server
Session data is typically used to...
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The duration of NTT Data interview process can vary, but typically it takes about less than 2 weeks to complete.
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