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Different types of joins in SQL are inner join, left join, right join, and full outer join.
Inner join: Returns rows when there is a match in both tables
Left join: Returns all rows from the left table and the matched rows from the right table
Right join: Returns all rows from the right table and the matched rows from the left table
Full outer join: Returns rows when there is a match in either table
The main difference between 'having' and 'where' in SQL is that 'having' is used with aggregate functions to filter groups, while 'where' is used to filter rows.
HAVING is used with GROUP BY to filter groups based on aggregate functions results
WHERE is used to filter rows based on conditions
HAVING is applied after GROUP BY, while WHERE is applied before GROUP BY
Example: SELECT department, AVG(salary) FROM employees GROU...
Behavioural Tests,Quants, basic Excel functions
What do you think about electric cars
I was interviewed in Sep 2024.
Good questions on power bi
Duration 45 min with current affairs topics
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PwC interview questions for designations
I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
SQL is a programming language used for managing and manipulating relational databases. NoSQL is a non-relational database management system. RDBMS is a type of DBMS that stores data in a structured format.
SQL (Structured Query Language) is used to manage and manipulate data in relational databases.
Examples of SQL commands include SELECT, INSERT, UPDATE, and DELETE.
NoSQL databases are non-relational and do not use SQL. ...
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Logical , Reasoning questions
2 program questions of Dsa
I applied via Recruitment Consulltant and was interviewed in Jan 2023. There were 4 interview rounds.
Good communication skills Strongly time management
I applied via Approached by Company and was interviewed in Oct 2022. There was 1 interview round.
Compare record count of 2 score files and print if they are equal or not.
Read both score files
Count the number of records in each file
Compare the record counts
Print if they are equal or not
I applied via Referral and was interviewed before Dec 2022. There were 4 interview rounds.
I am a data analyst with a strong background in statistics and programming.
I have a Bachelor's degree in Statistics and have completed several courses in data analysis and programming.
I have experience working with large datasets and using statistical software such as R and Python.
I have successfully analyzed data to identify trends, patterns, and insights that have helped inform business decisions.
I am skilled in data...
I want to join PwC because of their reputation for excellence in data analysis and their commitment to professional development.
PwC is known for its expertise in data analysis and has a strong reputation in the industry.
I am impressed by PwC's commitment to professional development and continuous learning opportunities.
PwC's diverse client base will provide me with exposure to a wide range of data analysis projects.
I b...
We were given a case study to solve. End-to-end. Tableau/Power BI. 3hrs
I applied via campus placement at Birla Institute of Technology (BIT), Ranchi and was interviewed before Apr 2023. There were 2 interview rounds.
Pretty easy , questions were mostly around SQL coding
based on 10 interviews
2 Interview rounds
based on 48 reviews
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