LeetCode 1789: Primary Department for Each Employee Solution
Master LeetCode problem 1789 (Primary Department for Each Employee), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.
1789. Primary Department for Each Employee
Problem Explanation
Explanation:
To solve this problem, we can use a SQL query to filter the Employee table based on the primary_flag column. We will select the employee_id and department_id where primary_flag is 'Y' or where an employee belongs to only one department.
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SQL Solution
Solution Code
// Java implementation not applicable for this problem as it is SQL query basedTry It Yourself
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