Wipro Interview Questions, Process, and Tips

Round one is aptitude test , because based on the thinking

Coding is main because to create any websites or any development we need coding skills

We need this group discussion because we must speak in front of many members without fear.

Q1. HR is final round he is the one who select the students for the company by seeing their body language and way of talking
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Q2. Nothing you missed you have covered all the step wise processes in the above questions
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Q1. What is the Difference Between Drop and Truncate Command ?
Ans. 
Drop command deletes the table structure along with data, while truncate command deletes only the data.
• Drop command removes the table structure and all its data, while truncate command only removes the data but keeps the table structure intact.

• Drop command is a DDL (Data Definition Language) command, while truncate command is a DML (Data Manipulation Language) command.

• Drop command is slower than truncate command as it ...read more
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Q2. What are the Validations you Perform in your Project ?
Ans. 
In my project, I perform validations such as data completeness, data accuracy, data transformation, and data integrity checks.
• Data completeness checks to ensure all required fields are populated

• Data accuracy checks to verify the correctness of data

• Data transformation checks to validate the transformation rules are applied correctly

• Data integrity checks to maintain data consistency and reliability
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Q3. What is Star Schema and Snow flake schema ?
Ans. 
Star Schema is a type of database schema where a central fact table is connected to multiple dimension tables. Snowflake Schema is a normalized form of Star Schema where dimension tables are further normalized into sub-dimension tables.
• Star Schema has a central fact table connected to multiple dimension tables

• Snowflake Schema is a normalized form of Star Schema with sub-dimension tables

• Star Schema is denormalized for b...read more
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Q4. What is Fact and Dimension Tables
Ans. 
Fact tables contain quantitative data while dimension tables contain descriptive attributes.
• Fact tables store measurable, quantitative data such as sales revenue or quantity sold

• Dimension tables store descriptive attributes related to the data in the fact table, such as product name or customer details

• Fact tables are typically normalized while dimension tables are denormalized for easier querying

• Example: In a sales dat...read more
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It was online with Quants,Apti MCQ and later Coding round was there with 2 questions deficulty was mid level

SVAR English assesment its easy

Q1. Introduce you self ?
Ans. 
I am a passionate software developer with experience in full-stack development and a strong background in computer science.
• Experienced in Java, Python, JavaScript, HTML, CSS

• Familiar with frameworks like Spring, React, Angular

• Proficient in database management with SQL and NoSQL databases

• Strong problem-solving skills and ability to work in a team environment
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Q2. Solve pattern problem
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Q3. Bubble sort
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Q4. SQL query
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Q1. Write a code for reverse an integer?
Ans. 
Use string manipulation to reverse an integer in Python.
• Convert the integer to a string

• Use string slicing to reverse the string

• Convert the reversed string back to an integer
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Q1. Differences between docker image and container
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Docker image is a template used to create containers, while a container is a running instance of an image.
• Docker image is read-only, while a container is a writable instance of an image.

• Multiple containers can be created from the same image, but each container is isolated from others.

• Containers can be started, stopped, moved, and deleted, while images are static and cannot be changed.

• Images are used to package an appli...read more
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