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Consider the following SQL table definition:
CREATE TABLE Employees (
    ID INT PRIMARY KEY,
    Name VARCHAR(50) NOT NULL,
    ManagerID INT,
    CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE
);
What happens when the ID of a manager is updated in the Employees table?
  • a)
    The update of the manager's ID will result in a foreign key violation.
  • b)
    All employees who had the previous manager will have their ManagerID updated accordingly.
  • c)
    The employees who had the previous manager will be automatically deleted from the table.
  • d)
    No action will be taken in the Employees table.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Consider the following SQL table definition:CREATE TABLE Employees ( ...
When the ID of a manager is updated in the Employees table, all employees who had the previous manager will have their ManagerID updated accordingly.
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Consider the following SQL table definition:CREATE TABLE Employees ( ID INT PRIMARY KEY, Name VARCHAR(50) NOT NULL, ManagerID INT, CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE);What happens when the ID of a manager is updated in the Employees table?a)The update of the managers ID will result in a foreign key violation.b)All employees who had the previous manager will have their ManagerID updated accordingly.c)The employees who had the previous manager will be automatically deleted from the table.d)No action will be taken in the Employees table.Correct answer is option 'B'. Can you explain this answer?
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Consider the following SQL table definition:CREATE TABLE Employees ( ID INT PRIMARY KEY, Name VARCHAR(50) NOT NULL, ManagerID INT, CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE);What happens when the ID of a manager is updated in the Employees table?a)The update of the managers ID will result in a foreign key violation.b)All employees who had the previous manager will have their ManagerID updated accordingly.c)The employees who had the previous manager will be automatically deleted from the table.d)No action will be taken in the Employees table.Correct answer is option 'B'. Can you explain this answer? for Software Development 2025 is part of Software Development preparation. The Question and answers have been prepared according to the Software Development exam syllabus. Information about Consider the following SQL table definition:CREATE TABLE Employees ( ID INT PRIMARY KEY, Name VARCHAR(50) NOT NULL, ManagerID INT, CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE);What happens when the ID of a manager is updated in the Employees table?a)The update of the managers ID will result in a foreign key violation.b)All employees who had the previous manager will have their ManagerID updated accordingly.c)The employees who had the previous manager will be automatically deleted from the table.d)No action will be taken in the Employees table.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Software Development 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following SQL table definition:CREATE TABLE Employees ( ID INT PRIMARY KEY, Name VARCHAR(50) NOT NULL, ManagerID INT, CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE);What happens when the ID of a manager is updated in the Employees table?a)The update of the managers ID will result in a foreign key violation.b)All employees who had the previous manager will have their ManagerID updated accordingly.c)The employees who had the previous manager will be automatically deleted from the table.d)No action will be taken in the Employees table.Correct answer is option 'B'. Can you explain this answer?.
Solutions for Consider the following SQL table definition:CREATE TABLE Employees ( ID INT PRIMARY KEY, Name VARCHAR(50) NOT NULL, ManagerID INT, CONSTRAINT FK_Manager FOREIGN KEY (ManagerID) REFERENCES Employees(ID) ON UPDATE CASCADE);What happens when the ID of a manager is updated in the Employees table?a)The update of the managers ID will result in a foreign key violation.b)All employees who had the previous manager will have their ManagerID updated accordingly.c)The employees who had the previous manager will be automatically deleted from the table.d)No action will be taken in the Employees table.Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Software Development. Download more important topics, notes, lectures and mock test series for Software Development Exam by signing up for free.
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