sql interview questions

Find the most common value (mode) in a specific column.

This question was asked in Interview at black rock. Read more Company: BlackRock CTC: 26LPA Source: LinkedIn SQL Interview Question Q. Find…

3 months ago

Identify employees who have never received a performance review.

This question was asked in Interview at black rock. Read more Company: BlackRock CTC: 26LPA Source: LinkedIn SQL Interview Question Q. Identify…

3 months ago

SQL Natural Join

What is SQL Natural Join? Natual Join is a type of join in SQL which combines row from 2 tables…

3 months ago

Display the cumulative percentage of total sales for each product.

This question was asked in Interview at black rock. Read more Company: BlackRock CTC: 26LPA Source: LinkedIn SQL Interview Question…

3 months ago

Write a query to group employees by age ranges (e.g., 20–30, 31–40) and count the number of employees in each group.

This question was asked in Interview at black rock. read more Company: BlackRock CTC: 26LPA SQL Interview Question Question Q.…

3 months ago
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