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Thehive.ai Data Analyst Interview Questions, Process, and Tips
Thehive.ai Data Analyst Interview Experiences
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed before Jan 2023. There were 4 interview rounds.
(3 Questions)
- Q1. Tell me about yourself.
- Q2. Why do you want to join this organization?
- Q3. What do you know about Hive?
- Ans.
Hive is a data warehouse infrastructure built on top of Hadoop for providing data summarization, query, and analysis.
Hive uses a SQL-like language called HiveQL to query and manage large datasets stored in Hadoop.
It allows users to write complex queries without needing to know Java or MapReduce.
Hive organizes data into tables, partitions, and buckets for efficient querying and analysis.
It supports custom MapReduce scri...
(6 Questions)
- Q1. What is a Database management system?
- Ans.
A Database Management System (DBMS) is a software that allows users to create, retrieve, update, and manage data in a database.
DBMS helps in organizing and structuring data efficiently
It provides tools for data manipulation, querying, and security
Examples include MySQL, Oracle, SQL Server
- Q2. What is a primary key?
- Ans.
A primary key is a unique identifier for each record in a database table.
A primary key must contain unique values for each record in the table.
It cannot contain null values.
It can consist of one or multiple columns.
Example: In a table of students, the student ID can be a primary key.
- Q3. What are joins in SQL?
- Ans.
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column between them
Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
- Q4. What is a temporary table?
- Ans.
A temporary table is a table that is created and exists only for the duration of a database session.
Temporary tables are typically used to store intermediate results during a complex query or to isolate data for a specific task.
They are automatically dropped when the session ends or when the table is explicitly dropped.
Temporary tables are often prefixed with a '#' or '##' to differentiate them from permanent tables.
- Q5. What is the trigger function in SQL?
- Ans.
A trigger function in SQL is a stored procedure that is automatically executed in response to certain events on a particular table.
Triggers can be set to execute before or after INSERT, UPDATE, or DELETE operations on a table.
They are useful for enforcing business rules, auditing changes, and maintaining data integrity.
Example: CREATE TRIGGER audit_trigger AFTER INSERT ON employees FOR EACH ROW EXECUTE PROCEDURE audit_
- Q6. Write a SQL query for the given table's "XYZ" scenario.
- Ans.
SQL query for XYZ scenario
Use SELECT statement to retrieve data from the table
Use WHERE clause to filter data based on the XYZ scenario
Consider using JOIN if data from multiple tables is needed
(3 Questions)
- Q1. Few behavioural questions
- Q2. Questions about the projects mentioned in the resume
- Q3. Situation based questions based real-life examples
(2 Questions)
- Q1. A normal discussion about why you want to join.
- Q2. In how many days you can join?
Interview Preparation Tips
- Excel
- google sheets
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(4 Questions)
- Q1. Was Given two small tables and was asked the total no of rows returned for each kind of join.
- Q2. In Tableau if the underlining table columns keep on changing than what can be done so that it wont affect on the view level.
- Ans.
Create calculated fields in Tableau to dynamically adjust to changing table columns.
Use calculated fields to reference specific columns by name instead of position.
Utilize parameters to allow users to select which columns to display.
Consider using custom SQL queries to dynamically adjust to changing table structure.
- Q3. Row level security
- Q4. Tell me about your project
- Ans.
Developed a predictive model to forecast customer churn for a telecommunications company.
Utilized machine learning algorithms such as logistic regression and random forest
Performed data preprocessing and feature engineering to improve model performance
Collaborated with business stakeholders to understand key drivers of churn
Achieved 85% accuracy in predicting customer churn
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Can you provide an overview of your background, including your past experiences and daily activities, as well as the tools you use in your routine?
- Ans.
I have a background in data analysis with experience in using tools like Python, SQL, and Tableau.
I have a degree in Statistics and have worked as a Data Analyst for 3 years.
My daily activities include cleaning and analyzing data, creating visualizations, and presenting insights to stakeholders.
I use Python for data manipulation and analysis, SQL for querying databases, and Tableau for creating interactive dashboards.
I...
- Q2. What are the concepts of advanced Excel and Power BI projects, and how are they utilized within a company or for clients?
- Ans.
Advanced Excel and Power BI are tools used for data analysis and visualization in companies and for clients.
Advanced Excel allows for complex data manipulation, analysis, and visualization using features like pivot tables, macros, and VBA programming.
Power BI is a business analytics tool that provides interactive visualizations and business intelligence capabilities, connecting to various data sources.
These tools are u...
(2 Questions)
- Q1. Can you explain your project experience related to Advanced Excel and Power BI?
- Ans.
I have extensive experience in using Advanced Excel and Power BI for data analysis projects.
Created complex formulas and macros in Excel to automate data processing tasks
Designed interactive dashboards in Power BI to visualize and analyze data trends
Integrated data from multiple sources into Power BI for comprehensive analysis
Used Power Query and Power Pivot in Excel to manipulate and analyze large datasets
Provided dat...
- Q2. What are the concepts of credit and operations, particularly in relation to Know Your Customer (KYC) procedures and the privacy of client data?
- Ans.
Credit and operations concepts in relation to KYC procedures and client data privacy.
Credit refers to the extension of money or resources to a client based on their financial history and ability to repay.
Operations involve the day-to-day processes and procedures within a financial institution to ensure smooth functioning.
KYC procedures are used to verify the identity of clients to prevent fraud and money laundering.
Pri...
Interview Preparation Tips
I applied via AmbitionBox and was interviewed in Nov 2024. There were 3 interview rounds.
(1 Question)
- Q1. I have finished Btech in Cse AI&ML taken datascience course looking for job
NLP is my favorite subject. Is relatated medical and sign language. I have done reseach with mechien learning and AI TOOLS used for problem solving approach.
A group discussion was conducted on data-based management regarding Mr. Adani's food industry products in the state of Gujarat and their exports to other countries, utilizing data analytics.
Interview Preparation Tips
Sql python bigdata hadoop hive spark
1 hour simple coding python sql
(5 Questions)
- Q1. Advantages of sql
- Ans.
SQL allows for efficient data retrieval, manipulation, and analysis in relational databases.
SQL is widely used in querying databases to retrieve specific data.
It allows for data manipulation, such as adding, updating, and deleting records.
SQL can perform complex data analysis tasks, such as aggregations and joins.
It provides a standardized language for interacting with relational databases.
SQL is essential for generati...
- Q2. Advantages of python
- Ans.
Python is a versatile programming language known for its simplicity, readability, and vast library support.
Easy to learn and use, making it ideal for beginners and experienced programmers alike
Extensive library support for data analysis, machine learning, web development, and more
Strong community support with active forums and resources for problem-solving
Cross-platform compatibility allows for seamless integration wit...
- Q3. Spark and its benefits
- Ans.
Spark is a fast and powerful big data processing framework that offers benefits like speed, ease of use, and versatility.
Spark is known for its speed, as it can process data up to 100 times faster than traditional Hadoop MapReduce.
It offers ease of use with high-level APIs in Java, Scala, Python, and SQL, making it accessible to a wide range of users.
Spark is versatile, supporting various workloads such as batch proces...
- Q4. Why to leave the company
- Q5. Huddles of data engineer
- Ans.
Huddles of data engineers refer to collaborative meetings or discussions among data engineers to share insights, solve problems, and make decisions.
Huddles are typically informal and can be scheduled or ad-hoc.
They provide a platform for data engineers to brainstorm, troubleshoot, and exchange ideas.
Huddles may involve reviewing code, discussing data pipelines, or addressing technical challenges.
Effective huddles promo...
Skills evaluated in this interview
shrishti patel
Selected
(1 Question)
- Q1. Python and sql related question
(1 Question)
- Q1. Pandas numpy visualisation sql
Alteryx data processing and reporting
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
Online aptitude test with maths and statistics and data analysis
(1 Question)
- Q1. Joins sql groups python numpy pandas
ananthakrishnan
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. What is star topology
- Q2. Hybrid topology
Interview Preparation Tips
Aditya Nawale
Logical,verbal,quants
(2 Questions)
- Q1. What is lambda function
- Q2. What is subquary
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. How to perform Set Actions, LOD's
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