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A primary key is a unique identifier for a record in a database table, ensuring data integrity and enabling efficient data retrieval.
Uniqueness: Each value in a primary key column must be unique across the table.
Non-null: Primary key fields cannot contain NULL values.
Single or Composite: A primary key can be a single column or a combination of multiple columns (composite key).
Example: In a 'Users' table, 'UserID' ...
A view is a virtual table in a database that provides a way to present data from one or more tables.
Views can simplify complex queries by encapsulating them.
They can provide a layer of security by restricting access to specific data.
Example: A view can show only the names and salaries of employees from a larger employee table.
Views can be updated, but not all views are updatable depending on their complexity.
Find the k-th smallest element in a binary search tree (BST) using in-order traversal.
In-order traversal of a BST yields elements in sorted order.
To find the k-th smallest, perform in-order traversal and count elements.
Example: For a BST with elements {5, 3, 8, 1, 4}, the 3rd smallest is 4.
Use a stack or recursion to implement in-order traversal efficiently.
Use two heaps to efficiently find the median in a stream of numbers.
Maintain two heaps: a max heap for the lower half and a min heap for the upper half.
When a new number arrives, compare it with the max of the lower half (max heap).
If it's smaller, add it to the max heap; otherwise, add it to the min heap.
Rebalance the heaps if their sizes differ by more than one.
The median is the root of the max heap if it has mo...
OAuth 2.0 is the best authorization type for integrating Salesforce with Postman, ensuring secure access to APIs.
OAuth 2.0 provides a secure way to authorize access without sharing credentials.
You can use the 'Client Credentials' flow for server-to-server integrations.
For user-specific access, the 'Authorization Code' flow is recommended.
Example: Use Postman's OAuth 2.0 feature to obtain an access token from Sales...
A report showing no data may result from filters, permissions, or report type issues.
Check report filters: If filters are too restrictive, they may exclude all records.
Verify report type: Ensure the report type is appropriate for the data being queried.
Review sharing settings: The user may have access to the object but not to the specific records.
Examine date ranges: If the report is set to a date range with no da...
Find the optimized path in an n*m matrix from top-left to bottom-right using dynamic programming.
Use dynamic programming to store the minimum cost to reach each cell.
Initialize a 2D array 'dp' where dp[i][j] represents the minimum cost to reach cell (i, j).
Base case: dp[0][0] = matrix[0][0].
For each cell, calculate dp[i][j] as the minimum of dp[i-1][j] and dp[i][j-1] plus the current cell's cost.
Example: For a mat...
Yes, I am willing to travel for the role.
I am open to traveling for work-related purposes.
I understand that travel may be required for client meetings or training sessions.
I am flexible and adaptable to different travel schedules and destinations.
Listen actively, stay calm, empathize, apologize, offer solutions, follow up
Listen actively to understand their concerns
Stay calm and composed, do not take their anger personally
Empathize with their situation and show understanding
Apologize for any inconvenience caused, even if it's not your fault
Offer solutions or alternatives to address their issues
Follow up to ensure the problem is resolved to their satisfactio...
Implement Kmeans algorithm from scratch
Initialize k centroids randomly
Assign each data point to the nearest centroid
Update centroids based on the mean of data points assigned to them
Repeat until convergence criteria is met
I appeared for an interview in Feb 2025.
They provide a dataset, and you are required to create a dashboard.
I appeared for an interview in Feb 2025.
The first round was a coding test on HackerRank that lasted 75 minutes and included three medium-level questions. The second round involved pair coding; a CoderPad link was shared, and you were required to solve a coding question within 45 minutes. The third and fourth rounds were focused on High-Level Design (HLD) and Low-Level Design (LLD), which I was unable to experience as I was rejected in the second round.
Find the optimized path in an n*m matrix from top-left to bottom-right using dynamic programming.
Use dynamic programming to store the minimum cost to reach each cell.
Initialize a 2D array 'dp' where dp[i][j] represents the minimum cost to reach cell (i, j).
Base case: dp[0][0] = matrix[0][0].
For each cell, calculate dp[i][j] as the minimum of dp[i-1][j] and dp[i][j-1] plus the current cell's cost.
Example: For a matrix [...
I applied via Referral and was interviewed in Dec 2024. There were 3 interview rounds.
Seeking new challenges and growth opportunities in a dynamic technical environment.
Desire to expand skill set and knowledge in different technologies
Looking for a more challenging and rewarding role
Seeking opportunities for career advancement and professional development
Listen actively, stay calm, empathize, apologize, offer solutions, follow up
Listen actively to understand their concerns
Stay calm and composed, do not take their anger personally
Empathize with their situation and show understanding
Apologize for any inconvenience caused, even if it's not your fault
Offer solutions or alternatives to address their issues
Follow up to ensure the problem is resolved to their satisfaction
posted on 17 Jan 2025
I applied via Referral and was interviewed in Dec 2024. There was 1 interview round.
Design a machine learning system for Quora to enhance question-answering and user engagement.
User Profiling: Analyze user interests and past interactions to personalize question recommendations.
Content Ranking: Use NLP to rank answers based on relevance, quality, and user engagement metrics.
Spam Detection: Implement ML models to identify and filter out spam or low-quality content.
Collaborative Filtering: Suggest questi...
Implement Kmeans algorithm from scratch
Initialize k centroids randomly
Assign each data point to the nearest centroid
Update centroids based on the mean of data points assigned to them
Repeat until convergence criteria is met
I applied via Referral and was interviewed in Sep 2024. There were 2 interview rounds.
First round was mcq round
Implemented a new ticketing system to streamline support processes
Researched and evaluated different ticketing systems
Collaborated with IT team to implement chosen system
Provided training to support team on how to use the new system
I faced difficulties in managing high volume of customer inquiries and resolving technical issues within tight deadlines.
Handling a large number of customer inquiries simultaneously
Meeting tight deadlines for resolving technical issues
Balancing workload and prioritizing tasks effectively
Yes, I am proficient in Lightning Web Components (LWC) development.
Experienced in developing custom components using LWC framework
Knowledge of HTML, CSS, JavaScript, and Salesforce Apex
Familiar with Salesforce Lightning Design System (SLDS)
Ability to create interactive and responsive user interfaces
Troubleshooting and debugging skills for LWC applications
I applied via Referral and was interviewed in Jun 2024. There were 2 interview rounds.
Scatter gather is a Mule component that sends a message to multiple targets in parallel and aggregates the responses.
Scatter gather allows you to send a message to multiple endpoints concurrently.
Each endpoint processes the message independently and returns a response.
The responses are then aggregated and returned as a single message.
Useful for scenarios where you need to call multiple services and combine their result...
REST APIs are more suitable for lightweight, stateless communication, while SOAP APIs are better for complex, stateful interactions.
REST APIs are preferred for web-based applications due to their simplicity and flexibility.
SOAP APIs are better suited for enterprise-level applications that require strict security and transactional support.
REST APIs use standard HTTP methods like GET, POST, PUT, and DELETE, making them e...
DataWeave code should be provided based on input and output requirements to transform data in Mulesoft.
DataWeave code should be provided when there is a need to transform data from one format to another.
It should be executed when integrating systems with different data structures.
Examples include transforming JSON to XML, CSV to JSON, etc.
I approach tasks by analyzing requirements, selecting appropriate connectors, designing the integration flow, testing, and ensuring expected outcomes are met.
Analyze the requirements of the task to understand the data sources, transformations, and endpoints involved
Select the appropriate connectors based on the systems being integrated (e.g. Salesforce, SAP, databases)
Design the integration flow using MuleSoft's Anypoi...
I appeared for an interview in Jan 2025.
Pmp related assignment
I appeared for an interview in Aug 2024.
The three types of data extensions are Data Extension, Sendable Data Extension, and Data Filter.
Data Extension: Used to store data and can be used for sending emails.
Sendable Data Extension: A type of Data Extension that can be used for sending emails.
Data Filter: Used to segment data based on specific criteria.
I have worked on multiple complex journeys involving troubleshooting network issues, resolving software bugs, and implementing system upgrades.
Troubleshooting network issues for a multinational company with offices in multiple countries
Resolving software bugs in a critical application used by thousands of users
Implementing system upgrades for a large-scale data center to improve performance and security
Yes, I have experience handling clients in stressful situations and resolving issues effectively.
I have strong communication skills to calmly address the client's concerns
I am able to troubleshoot and identify the root cause of the issue
I have experience in providing timely and effective solutions to clients
I am able to remain calm and professional under pressure
Yes, I am open for shifts and can work flexible hours as required.
I am willing to work different shifts including nights and weekends
I understand the importance of being available to support customers at all times
I have previous experience working in a shift-based role
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The duration of Salesforce interview process can vary, but typically it takes about less than 2 weeks to complete.
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Hyderabad / Secunderabad,
Bangalore / Bengaluru
5-10 Yrs
₹ 16-45 LPA
Technical Support Engineer
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