Shiash Info Solutions Data Science Intern Interview Questions and Answers

Object oriented programming, logical technical

Q1. What is joins , ddl,dml,ddl,TCL command
Ans. 
Joins are used to combine rows from two or more tables based on a related column. DDL, DML, and TCL are SQL commands for data manipulation and transaction control.
• Joins are used in SQL to retrieve data from multiple tables based on a related column.

• DDL (Data Definition Language) commands are used to define the structure of database objects like tables, indexes, etc.

• DML (Data Manipulation Language) commands are used to ...read more
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Basic aptitude questions, statics, probability etc

Q1. Where do you live in the USA
Ans. 
I live in New York City, the bustling metropolis known for its iconic landmarks and diverse culture.
• I reside in the heart of Manhattan, surrounded by towering skyscrapers.

• New York City is home to famous attractions like Times Square, Central Park, and the Statue of Liberty.

• The city offers a vibrant arts and entertainment scene, with Broadway shows and world-class museums.

• I enjoy exploring the diverse neighborhoods and ...read more
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Q2. Where do you see yourself in 5 years
Ans. 
In 5 years, I see myself as a senior data analyst leading a team, utilizing advanced analytics to drive strategic decision-making.
• Leading a team of data analysts

• Utilizing advanced analytics techniques

• Driving strategic decision-making

• Continuously learning and staying updated with the latest trends in data analysis
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Q1. Difference between Primary Key and Unique Key ?
Ans. 
Primary key uniquely identifies each record in a table, while Unique key allows only unique values but can have null values.
• Primary key enforces uniqueness and not null constraint on a column

• Primary key can consist of multiple columns

• Unique key allows only unique values but can have null values

• Unique key can be applied to multiple columns as well
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Common logical and reasoning questions and also has a pseudocode

Q1. Gamified round with time limits and essay writing for the given picture
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Q1. Asked about whatever you put in the resume and mainly focus on aptitude
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First round is gaming round with 13 levels
And the aptitude with science, technical and non technical questions

Q1. General questions were asked Tell me about yourself And then technical he round with puzzles and aptitude to solve
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Q2. Long term and short term goals
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Q3. Strength and weakness
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Q4. Puzzles and aptitude questions
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Well designed to test the aptitude competence of the candidate.

Q1. Explanations for the answers given to the aptitude questions.
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Q2. Questions from python.
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Logical and aptitude test, game round