Google Data Operator Interview Questions and Answers

It is nice to do work

It helps in understanding the 5

It helps a lot in company

Q1. How to do job in company?
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Q2. What I should do?
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Q3. How to do work?
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Q4. What should I do
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Q5. What is the goal?
Ans. 
The goal of a Data Analyst is to analyze data to extract valuable insights and make data-driven decisions.
• Identify trends and patterns in data

• Create visualizations to communicate findings

• Provide actionable recommendations based on data analysis
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It was well designed

Q1. Basic Questions about data warehousing
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Q2. Dbt Scenarios
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Q1. What is bigadata
Ans. 
Big data refers to large and complex data sets that are difficult to process using traditional data processing applications.
• Big data involves large volumes of data

• It includes data from various sources such as social media, sensors, and business transactions

• Big data requires specialized tools and technologies for processing and analysis
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Q2. How spark works
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Spark is a distributed computing framework that processes big data in memory and is known for its speed and ease of use.
• Spark is a distributed computing framework that can process data in memory for faster processing.

• It uses Resilient Distributed Datasets (RDDs) for fault-tolerant distributed data processing.

• Spark provides high-level APIs in Java, Scala, Python, and R for ease of use.

• It supports various data sources li...read more
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Q3. Explain your application
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Our application is a data engineering platform that processes and analyzes large volumes of data to provide valuable insights.
• Our application uses various data processing techniques such as ETL (Extract, Transform, Load) to clean and transform raw data into usable formats.

• We utilize big data technologies like Hadoop, Spark, and Kafka to handle large datasets efficiently.

• The application also includes machine learning al...read more
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Q1. Basic ml related questions,past project discussion
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Q1. AI, ML related, statistical analysis of the graph.
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Q1. Work culture, check
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Q1. Work culture, project discussion, scenario based questions
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Q1. Basic HR questions, why sap salary discussions
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Q1. I am a data entry operator
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Q2. I am a Data entry operator .
Ans. I am a data entry operator.
Answered by Mohammad Ali Khan
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Q3. I am Excel entry operator
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Q4. Hindi typing speed 16
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Q5. English typing speed 20
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Q6. Fesser no experience
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Q7. Data entry operator
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Hackerearth problem on reversing the string & one more array question

Q1. Reverse the string
Ans. 
Reverse a given string
• Use built-in functions like reverse() in Python

• Iterate through the string in reverse order and append characters to a new string

• Use stack data structure to reverse the string
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Q2. SQL based windowing function
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Q1. Basic of python , sql, pandas,niumpy
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Q1. Gave me a task to make web app for medical condition detection after clearing first round asked questions relted to it
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Q1. Explain surrogate key
Ans. 
Surrogate key is a unique identifier used in databases to uniquely identify each record in a table.
• Surrogate keys are typically generated by the system and have no business meaning.

• They are used to simplify database operations and improve performance.

• Example: Using an auto-incrementing integer column as a surrogate key in a table.
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