Axiscades Data Analyst Interview Questions and Answers

Q1. Explain dashboards created by u
Ans. 
I have created interactive dashboards using Tableau to visualize and analyze data for various projects.
• Utilized Tableau to connect to data sources and create interactive visualizations

• Designed dashboards with filters, drill-down capabilities, and dynamic elements

• Included key performance indicators (KPIs) and trend analysis in the dashboards

• Used color coding and data labels to enhance data interpretation

• Shared dashboard
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Q2. Role in ur current organization
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Coding test for all the student attending the first round, give your best practice every day all the best in your interview

Q1. What are your interest
Ans. 
My interests include data analysis, problem-solving, and continuous learning.
• Data analysis

• Problem-solving

• Continuous learning
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Q2. Java related question
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Q1. What are SQL joins?
Ans. 
SQL joins are used to combine rows from two or more tables based on a related column between them.
• SQL joins are used to retrieve data from multiple tables based on a related column between them

• Types of SQL joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column
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Q2. What is normalisation?
Ans. 
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
• Normalisation involves breaking down data into smaller, more manageable tables

• It helps in reducing data redundancy and inconsistencies

• It ensures data integrity and improves database performance

• Example: Splitting a customer table into separate tables for customer details and orders
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Q1. How to rotate a Matrix?
Ans. 
To rotate a matrix, transpose it and then reverse each row.
• Transpose the matrix by swapping elements across the diagonal

• Reverse each row of the transposed matrix to rotate it clockwise

• For example, to rotate a 3x3 matrix clockwise: [[1, 2, 3], [4, 5, 6], [7, 8, 9]] -> transpose -> [[1, 4, 7], [2, 5, 8], [3, 6, 9]] -> reverse rows -> [[7, 4, 1], [8, 5, 2], [9, 6, 3]]
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Q1. Mostly Dax and sql related questions
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Q2. ETL related questions
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Power bi SQL

Q1. Share details of your previous job.
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Q2. What are your salary expectations?
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Q3. Why should we hire you?
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Q4. Where do you see yourself in 5 years?
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Q1. How SQL DB works
Ans. 
SQL DB works by storing and managing data in a structured format using tables and relationships.
• SQL DB uses tables to store data in rows and columns.

• It allows for querying data using SQL commands like SELECT, INSERT, UPDATE, DELETE.

• Relationships between tables can be established using foreign keys.

• Indexes can be used to optimize query performance.

• ACID properties ensure data integrity and consistency.
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