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To productinize Data Pipelines, one must automate, monitor, and scale the pipeline for efficient and reliable data processing.
Automate the data pipeline using tools like Apache Airflow or Kubernetes
Monitor the pipeline for errors, latency, and data quality issues using monitoring tools like Prometheus or Grafana
Scale the pipeline by optimizing code, using distributed computing frameworks like Spark, and leveraging clou...
BigQuery is a fully-managed, serverless data warehouse that enables scalable analysis over petabytes of data.
BigQuery uses a distributed architecture to process and analyze large datasets quickly.
It allows users to run SQL-like queries on datasets stored in Google Cloud Storage.
BigQuery automatically scales to handle large amounts of data and can be integrated with other Google Cloud services.
It supports real-time data...
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I was interviewed before Nov 2019.
I applied via LinkedIn and was interviewed before Sep 2023. There was 1 interview round.
I rate myself highly in SQL and PowerBi, with extensive experience in both tools.
Proficient in writing complex SQL queries for data extraction, manipulation, and analysis
Skilled in creating interactive and insightful visualizations in PowerBi
Experience in combining data from multiple sources and transforming it into actionable insights
Familiar with optimizing queries for performance and efficiency
Have successfully used...
Different types of joins in SQL are inner join, left join, right join, and full outer join.
Inner join: Returns rows when there is a match in both tables.
Left join: Returns all rows from the left table and the matched rows from the right table.
Right join: Returns all rows from the right table and the matched rows from the left table.
Full outer join: Returns rows when there is a match in either table.
SQL+CODING QUESTIONS
I applied via Naukri.com and was interviewed in May 2024. There were 3 interview rounds.
Guestimation question was asked.
Easy to medium leetcode question asked on array , 2 pointer , sliding window
I will address team conflicts by promoting open communication, active listening, and facilitating constructive discussions.
Encourage open communication among team members to address conflicts early on
Practice active listening to understand all perspectives and concerns
Facilitate constructive discussions to find mutually beneficial solutions
Seek input from team members to involve them in the resolution process
Yes, I am open to relocating for the right opportunity.
I am willing to relocate for the right job opportunity
I have experience moving for previous roles
I am flexible and adaptable to new environments
I applied via LinkedIn and was interviewed before May 2020. There were 4 interview rounds.
1. They gave 2 tables having one column and asked the number of rows in the output for left,inner,right and full outer join.
2. Asked the query to find the third maximum marks in the dataset which consist student, marks and subject data.
3. Asked to pivot up the table (This can be done using case statement)
There was one more question on sql but I forgot.
I applied via Company Website and was interviewed before Jul 2022. There were 3 interview rounds.
Basic python and sql questions
based on 1 interview
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