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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 …
This question was asked in Facebook interview, Ask is to provide Running Total for Different Genders. Source: LeetCode Difficulty: Medium Company: Facebook Running Total for Different Genders Q. Write an …
Understanding the SQL LAG Function (With Examples) SQL LAG function is a powerful tool that enables you to access data from the previous row, which is related to the current …
This question was asked in Facebook interview, Ask is to give page recommendation for user1 based on Friendship and Likes. Source: LeetCode Difficulty: Medium Company: Facebook Page Recommendations Q. Write …