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Virtusa Consulting Services Lead Consultant Interview Questions and Answers
13 Interview questions
SCD Type 2 allows tracking historical data by creating new records for changes while preserving old records.
Use effective date columns: Add 'start_date' and 'end_date' to track the validity of each record.
Add a 'current_flag' column: This indicates whether a record is the most recent version (1 for current, 0 for historical).
Create a new record for changes: When a change occurs, insert a new record with updated va...
Temporary tables are session-specific, while global temporary tables are accessible across sessions.
Temporary tables are created with 'CREATE TABLE #TempTable' and are only visible to the session that created them.
Global temporary tables are created with 'CREATE TABLE ##GlobalTempTable' and can be accessed by any session.
Temporary tables are dropped automatically when the session ends, while global temporary table...
DataStage optimization techniques enhance performance and efficiency in ETL processes.
Use partitioning to distribute data processing across multiple nodes, improving parallelism.
Implement data filtering early in the process to reduce the volume of data being processed.
Utilize bulk loading techniques for databases to speed up data insertion.
Optimize transformer stages by minimizing the number of columns and using e...
I approach performance tuning of a stored procedure by analyzing query execution plans, optimizing indexes, and rewriting inefficient code.
Analyze query execution plans to identify bottlenecks
Optimize indexes to improve data retrieval speed
Rewrite inefficient code to reduce unnecessary processing
Consider parameter sniffing and data distribution for optimal performance
What people are saying about Virtusa Consulting Services
A recursive CTE (Common Table Expression) is a query that references itself within the query definition.
Allows for hierarchical data querying
Uses a base case and recursive member in the query
Example: querying a table with parent-child relationship using recursive CTE
UNION combines the result sets of two or more SELECT statements, while UNION ALL does the same but includes duplicate rows.
UNION removes duplicate rows from the result set, while UNION ALL includes all rows
UNION is slower than UNION ALL because it has to perform a distinct operation
UNION requires that all SELECT statements have the same number of columns with compatible data types
Yes, I am proficient in coding in Java 8.
Lambda expressions
Functional interfaces
Streams API
Optional class
Method references
Creating BDD scenarios for a SaaS website using Playwright framework for automated testing.
Define user stories to capture requirements, e.g., 'As a user, I want to log in to my account.'
Use Gherkin syntax for scenarios: 'Given I am on the login page, When I enter valid credentials, Then I should see the dashboard.'
Implement step definitions in Playwright to automate browser interactions.
Utilize hooks for setup and...
Design patterns are reusable solutions to common problems in software design.
Design patterns help in creating flexible, maintainable, and scalable software.
Examples of design patterns include Singleton, Factory, Observer, and Strategy.
They provide a common language for developers to communicate and understand each other's code.
Design patterns can be categorized into creational, structural, and behavioral patterns.
Solid principles are a set of design principles for writing clean, maintainable code.
Single Responsibility Principle - A class should have only one reason to change. Example: A class that handles user authentication should not also handle database operations.
Open/Closed Principle - Classes should be open for extension but closed for modification. Example: Using interfaces to allow for different implementations wit...
Virtusa Consulting Services Lead Consultant Interview Experiences
27 interviews found
Anonymous
(3 Questions)
- Q1. Tell me about the project you have worked recently?
- Ans.
I recently worked on a project to implement a new customer relationship management system for a large retail company.
Led a team of developers to customize the CRM system to meet the specific needs of the retail company
Integrated the CRM system with existing systems to ensure seamless data flow
Provided training and support to end users to ensure successful adoption of the new system
- Q2. Any challenges faced recently?
- Ans.
Yes, recently faced challenges in implementing a new software system.
Implementing a new software system with complex requirements
Dealing with resistance from team members who were comfortable with the old system
Ensuring smooth transition and minimal disruption to daily operations
- Q3. What is difference between union and union all
- Ans.
UNION combines the result sets of two or more SELECT statements, while UNION ALL does the same but includes duplicate rows.
UNION removes duplicate rows from the result set, while UNION ALL includes all rows
UNION is slower than UNION ALL because it has to perform a distinct operation
UNION requires that all SELECT statements have the same number of columns with compatible data types
(2 Questions)
- Q1. How do you approach performance tuning of a stored procedure?
- Ans.
I approach performance tuning of a stored procedure by analyzing query execution plans, optimizing indexes, and rewriting inefficient code.
Analyze query execution plans to identify bottlenecks
Optimize indexes to improve data retrieval speed
Rewrite inefficient code to reduce unnecessary processing
Consider parameter sniffing and data distribution for optimal performance
- Q2. What is recursive CTE
- Ans.
A recursive CTE (Common Table Expression) is a query that references itself within the query definition.
Allows for hierarchical data querying
Uses a base case and recursive member in the query
Example: querying a table with parent-child relationship using recursive CTE
(1 Question)
- Q1. Are you flexible on timing
- Ans.
Yes, I am flexible on timing and can adjust my schedule as needed.
I am willing to work overtime if necessary
I can adjust my schedule to accommodate meetings or deadlines
I am open to working remotely if needed
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Solid principles with real time examples
- Ans.
Solid principles are a set of design principles for writing clean, maintainable code.
Single Responsibility Principle - A class should have only one reason to change. Example: A class that handles user authentication should not also handle database operations.
Open/Closed Principle - Classes should be open for extension but closed for modification. Example: Using interfaces to allow for different implementations without ...
- Q2. Design patterns and its use
- Ans.
Design patterns are reusable solutions to common problems in software design.
Design patterns help in creating flexible, maintainable, and scalable software.
Examples of design patterns include Singleton, Factory, Observer, and Strategy.
They provide a common language for developers to communicate and understand each other's code.
Design patterns can be categorized into creational, structural, and behavioral patterns.
Skills evaluated in this interview
Selected
- Q1. Business Analyst related questions.
- Q2. Project Management related questions.
Interview Preparation Tips
Selected
I appeared for an interview in Jul 2023.
(1 Question)
- Q1. Data Modelling , Data Warehouse
(2 Questions)
- Q1. Questions on Data Modelling, Previous projects worked in Data Analytics
- Q2. SQL, Power BI, Data modelling Questions
(1 Question)
- Q1. Basic Interview with Manager
(1 Question)
- Q1. Basic Questions, Discussion on package
Interview Preparation Tips
Dimension Table, Fact Tables , Star schema , Snowflake schema , Power BI Concepts , SQL - Views , Joins , CTE's , Sub procedures
Selected
I applied via Naukri.com and was interviewed before Jun 2023. There were 2 interview rounds.
(2 Questions)
- Q1. JavaScript Methods
- Ans.
JavaScript methods are built-in functions that can be called on objects to perform specific tasks.
Methods are called using dot notation, like object.method().
Some common methods include toString(), toUpperCase(), and includes().
Methods can also be used to manipulate arrays, such as push(), pop(), and splice().
- Q2. Coding questions of JavaScript methods.
(2 Questions)
- Q1. Lifecycle methods
- Q2. Coding questions
Skills evaluated in this interview
parimal raj
I applied via Recruitment Consulltant and was interviewed in Oct 2022. There were 4 interview rounds.
(1 Question)
- Q1. Application functionality related questions.
- Ans. Retention policy functionality, Legal hold applying and how many of them, app handling on server end. JReports functionality etc.
(1 Question)
- Q1. Best practices, Issues faced and how they were mitigated
- Ans.
Best practices, issues faced, and their mitigation in the role of Lead Consultant
Implementing regular communication channels to ensure effective collaboration among team members
Establishing clear project goals and objectives to guide the team's efforts
Identifying and addressing potential risks and challenges proactively
Leveraging industry best practices and lessons learned from previous projects
Encouraging continuous l...
(1 Question)
- Q1. Expectation of Salary
- Ans. Hike more than my existing offer.
Interview Preparation Tips
Dangeti Kumar
Selected
I appeared for an interview before May 2024, where I was asked the following questions.
- Q1. What are the optimization techniques used in DataStage?
- Ans.
DataStage optimization techniques enhance performance and efficiency in ETL processes.
Use partitioning to distribute data processing across multiple nodes, improving parallelism.
Implement data filtering early in the process to reduce the volume of data being processed.
Utilize bulk loading techniques for databases to speed up data insertion.
Optimize transformer stages by minimizing the number of columns and using effici...
- Q2. What are the ways to implement Slowly Changing Dimension Type 2 (SCD2)?
- Ans.
SCD Type 2 allows tracking historical data by creating new records for changes while preserving old records.
Use effective date columns: Add 'start_date' and 'end_date' to track the validity of each record.
Add a 'current_flag' column: This indicates whether a record is the most recent version (1 for current, 0 for historical).
Create a new record for changes: When a change occurs, insert a new record with updated values ...
- Q3. What is the difference between temporary tables and global temporary tables?
- Ans.
Temporary tables are session-specific, while global temporary tables are accessible across sessions.
Temporary tables are created with 'CREATE TABLE #TempTable' and are only visible to the session that created them.
Global temporary tables are created with 'CREATE TABLE ##GlobalTempTable' and can be accessed by any session.
Temporary tables are dropped automatically when the session ends, while global temporary tables per...
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Spring security
- Q2. Spring boot end to end flow
I applied via Approached by Company and was interviewed in Oct 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Basic java questions.
- Q2. Oops concept and rest api
Java programming with time and space complexity.
Java programming with basics of java 8 and multi-threading
Interview Preparation Tips
- OOPS
- time complexity
- space complexity
Selected
I applied via Approached by Company and was interviewed in Aug 2022. There were 4 interview rounds.
Coding problems on array,strings
(1 Question)
- Q1. Technical questions on node js and microservices. Questions on AWS microservices.
(1 Question)
- Q1. HR questions about current profile and designation
Interview Preparation Tips
Virtusa Consulting Services Interview FAQs
Some of the top questions asked at the Virtusa Consulting Services Lead Consultant interview -
The duration of Virtusa Consulting Services Lead Consultant interview process can vary, but typically it takes about less than 2 weeks to complete.
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based on 17 interview experiences
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Virtusa Consulting Services Lead Consultant Reviews and Ratings
based on 260 reviews
Rating in categories
|
Senior Consultant
3.7k
salaries
|  ₹8.3 L/yr - ₹32 L/yr |
|
Software Engineer
3.4k
salaries
| ₹3.6 L/yr - ₹14.2 L/yr |
|
Consultant
3.2k
salaries
| ₹6.1 L/yr - ₹21 L/yr |
|
Lead Consultant
3.2k
salaries
| ₹10.5 L/yr - ₹34 L/yr |
|
Associate Consultant
2.6k
salaries
| ₹4.7 L/yr - ₹16 L/yr |
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