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I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Inner join combines rows from two tables based on a related column between them.
Inner join returns only the rows that have matching values in both tables
It is used to retrieve data that exists in both tables
Example: SELECT Orders.OrderID, Customers.CustomerName FROM Orders INNER JOIN Customers ON Orders.CustomerID = Customers.CustomerID;
Cross join combines each row from one table with each row from another table.
Cross join produces a Cartesian product of the two tables involved.
It does not require any common columns between the two tables.
It can result in a large number of rows if the tables are big.
Example: SELECT * FROM table1 CROSS JOIN table2;
Different types of data validation and checks in ETL testing include schema validation, data completeness checks, data transformation checks, and data quality checks.
Schema validation ensures that the data conforms to the expected structure and format.
Data completeness checks verify that all expected data is present and accounted for.
Data transformation checks ensure that data is accurately transformed according to bus...
I applied via Walk-in and was interviewed before Feb 2020. There were 4 interview rounds.
I applied via Naukri.com and was interviewed before Feb 2021. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Jan 2019. There were 4 interview rounds.
I have a unique combination of analytical skills, creativity, and strong attention to detail.
I have a background in both finance and graphic design, allowing me to approach problems from multiple perspectives.
I excel at finding innovative solutions to complex problems.
I am known for my ability to think outside the box and come up with creative solutions.
I have a keen eye for detail and always strive for perfection in m
I added value to my last organization by implementing data-driven strategies to improve efficiency and decision-making.
Implemented data analytics tools to optimize processes and identify cost-saving opportunities
Developed KPI dashboards to track performance and make informed business decisions
Led cross-functional teams to successfully launch new products and services
Provided training and mentorship to junior analysts t
I applied via Campus Placement and was interviewed before Feb 2021. There were 2 interview rounds.
Focus on industry-specific nuances
I applied via Naukri.com and was interviewed in Jun 2019. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before May 2021. There were 2 interview rounds.
Coding questions will be given
I applied via Naukri.com and was interviewed before Jun 2020. There were 5 interview rounds.
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