DBI202_-_SP_2024_-_Block_5_-_FE_1928.webp
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DBI202_-_SP_2024_-_Block_5_-_FE_1928.webp

Bài viết gốc: Chủ đề 'DBI202 - SP 2024 - Block 5 - FE'
(Choose 1 answer)
Given the relation Employee (SSN, FNAME, LNAME, SALARY, DepartmentNo). Select the right query below to count the number of employees in each department.
A. SELECT COUNT(*) FROM Employee
B. SELECT DepartmentNo, COUNT(*) FROM Employee GROUP BY DepartmentNo
C. SELECT DepartmentNo, COUNT(*) FROM Employee
D. None of the others

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