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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. It automatically matches the 2 columns and eliminates the duplicate column. read more Example Database CustomerID FirstName LastName Email City 1 John Doe [email protected] New … Read more
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., 20–30, 31–40) and count the number of employees in each group. Solution age-range num_employee 21-30 7 31-40 6 41-50 5 51-60 2 View on DB … Read more
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 SQL query to find the total score for each gender at each day. Order the result table by gender and day. Solution Explanation The solution … Read more
IDFC First Bank Data Analyst: IDFC First Bank is currently hiring for Data Analyst in Mumbai, Maharashtra. You can read all the important information about this post like Job description, Salary, Eligibility criteria and Application link in the post. So please read the post carefully. IDFC First Bank Data Analyst Job Description: In this job … Read more
Zebra Is Hiring for Data Analyst Job | Work From Home/Office | Freshers Can also Apply Job Summary Data Analyst at Zebra will handle all phases of data analysis portions of a customer success engagement within Managed Services offerings. Which includes determining the types of data analysis and utilizing that best supports the increased understanding … Read more