Computer Science · Database Management Systems
Consider the relational schema: Lecturer(EmpNo, Name, Salary, Allowance, Research_SupNo, Category, DateJoined, DNo) Which SQL query correctly increases the Salary by 3000 for all lecturers belonging to the 'Senior Lecturer' category?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1UPDATE Lecturer WHERE Category = 'Senior Lecturer' SET Salary + 3000;
- 2UPDATE SET Salary = Salary + 3000 FROM Lecturer WHERE Category = 'Senior Lecturer';
- 3UPDATE Salary SET Salary = Salary + 3000 FROM Lecturer WHERE Category = 'Senior Lecturer';
- 4UPDATE Lecturer SET Salary = Salary + 3000 WHERE Category = 'Senior Lecturer';✓
Correct answer
UPDATE Lecturer SET Salary = Salary + 3000 WHERE Category = 'Senior Lecturer';
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