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This question was asked in Interview at black rock. Read more Company: BlackRock CTC: 26LPA Source: LinkedIn SQL Interview Question Q. Write a query to retrieve the first order placed by each …
What is SQL Natural Join? Natual Join is a type of join in SQL which combines row from 2 tables based on common column which has same name and datatype. …
This question was asked in Interview at black rock. Read more Company: BlackRock CTC: 26LPA Source: LinkedIn SQL Interview Question Q. Display the cumulative percentage of total sales for each …
This question was asked in Interview at black rock. read more Company: BlackRock CTC: 26LPA SQL Interview Question Question Q. Write a query to group employees by age ranges (e.g., …
The Pareto Principle, commonly known as the 80/20 rule, argues that 80% of the results are achieved with 20% of the effort. Joseph M. Juran introduced this idea, which was …