EagleDrift Technologies Interview Questions, Process, and Tips

Introduction, SQL querries that I have worked on and Salary expectations

Q1. What all things you do in Abinitio in your day-day life?
Ans. 
I use Abinitio for ETL processes, data transformation, data profiling, and data quality checks in my day-to-day work.
• Designing and developing ETL processes using Abinitio graphs

• Performing data transformation and manipulation tasks

• Conducting data profiling to analyze data quality and consistency

• Implementing data quality checks and validations

• Troubleshooting and debugging Abinitio jobs

• Collaborating with stakeholders to g
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Q2. What is the difference between watcher and breakpoint?
Ans. 
Watcher is used to monitor changes in variables during runtime, while breakpoint is used to pause program execution at a specific line of code.
• Watcher is used to track the value of a variable or expression during program execution.

• Breakpoint is used to pause the program at a specific line of code to allow for debugging.

• Watchers are typically set up in debugging tools like IDEs, while breakpoints are set by the develope...read more
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Q3. Are you aware of Spark? Do you have any experience in Spark?
Ans. 
Yes, I am aware of Spark and have experience working with it.
• I have used Spark for processing large datasets in distributed computing environments.

• I am familiar with Spark's core concepts such as Resilient Distributed Datasets (RDDs) and transformations/actions.

• I have experience writing Spark applications using languages like Scala or Python.

• I have worked with Spark SQL for querying structured data and Spark Streaming
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Q4. After getting your files from source and loading into the Oracle DB. How you are doing Migration from on-premises to Cloud of all the Abinitio components and what all things you need to implement in DevOps...read more
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Q5. What all components you have worked in Abinitio?
Ans. 
I have worked on various components in Abinitio including GDE, Co>Operating System, Conduct>It, and EME.
• Graphical Development Environment (GDE)

• Co>Operating System (Co>OS)

• Conduct>It

• Enterprise Metadata Environment (EME)
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Q6. What is the difference between Rollup and Scan?
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Rollup is a summary operation that combines multiple values into a single value, while Scan is an incremental operation that applies a function to each element in a sequence.
• Rollup is used to aggregate data and reduce it to a single value, while Scan is used to apply a function to each element in a sequence.

• Rollup typically produces a single output value, while Scan produces a sequence of intermediate values.

• Example: I...read more
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Q7. Have you worked in Plan? How to pass a runtime parameter from Graph task 1 to Graph task 2 within a plan with the different timings?
Ans. 
Passing a runtime parameter from one Graph task to another within a Plan with different timings.
• Use Plan variables to store the runtime parameter in Graph task 1

• Set up a trigger in Graph task 2 to read the parameter from the Plan variables

• Ensure that the timings of the Graph tasks are properly synchronized
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Q8. Do you any experience in AWS? What all services you have worked in AWS?
Ans. 
Yes, I have experience in AWS. I have worked with services like EC2, S3, RDS, Lambda, and CloudFormation.
• Experience with EC2 for deploying and managing virtual servers

• Worked with S3 for storing and retrieving data

• Utilized RDS for managing relational databases

• Implemented serverless functions using Lambda

• Used CloudFormation for infrastructure as code
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Q9. Suppose you have a CSV file and you want to convert this to an Apache file and load this to S3 bucket. How you will do it?
Ans. 
To convert a CSV file to an Apache file and load it to an S3 bucket, use Apache NiFi for data transformation and AWS SDK for S3 upload.
• Use Apache NiFi to read the CSV file, transform it into Apache format, and write it to a local directory.

• Configure an Apache NiFi processor to upload the transformed file to an S3 bucket using AWS SDK.

• Set up appropriate permissions and credentials for the S3 bucket access.

• Monitor the Ap...read more
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Q10. How good are you in SQL? Suppose we have an employee and a department table. What is the SQL querry to fetch the list of managers from an employee table who are getting 2nd highest salary from each depart...read more
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SQL query to fetch the list of managers with 2nd highest salary from each department
• Use a subquery to find the 2nd highest salary for each department

• Join the employee table with the subquery on department and salary

• Filter the results to only include managers
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Q1. All technical questions
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Q1. About my projects
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Q1. Difference Between DDL & DMl Command?
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Q2. Do you know about Constraints in Sql
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