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I applied via Indeed and was interviewed in Jan 2024. There were 2 interview rounds.
Joins are used to combine rows from two or more tables based on a related column between them.
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
INNER JOIN returns rows when there is at least one 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 JOIN...
To add a date table in Power BI, you can create a new table with a list of dates and relationships with other tables.
Create a new table in Power BI with a list of dates
Add columns for day, month, year, etc. for additional analysis
Establish relationships between the date table and other tables in the data model
I applied via Company Website and was interviewed in Dec 2021. There were 11 interview rounds.
A test designed to a determination a person ability in particular skill of field knowledge
Coding and decoding
Devolpment of a particular person group or situation over a period of time
Is a situation faced when individuals collectively make a choice from alternative before them
A task or piEce of work allocated to someone a part of a job or course of study a home work assignment
Coding interview test candidate technical knowledge coding ability creativity typically on a white board
The from are checked and returned to the census officer for coding
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Data analysis in Python involves importing data, cleaning and preprocessing, performing statistical analysis, and visualizing results.
Import data using libraries like pandas
Clean and preprocess data by handling missing values and outliers
Perform statistical analysis using libraries like numpy and scipy
Visualize results using libraries like matplotlib and seaborn
I applied via Job Portal and was interviewed before Jan 2021. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Apr 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before Oct 2020. There were 3 interview rounds.
Query to retrieve all customer names starting with A.
Use the SELECT statement to retrieve customer names.
Use the LIKE operator with the pattern 'A%' to match names starting with A.
Specify the table and column name where the customer names are stored.
Example: SELECT customer_name FROM customers WHERE customer_name LIKE 'A%';
I applied via Campus Placement and was interviewed before Jun 2021. There was 1 interview round.
Sql coding questions were asked.
Assignment on questions they provided.
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