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INSERT INTO Courses (CourseID, CourseName, Credits, InstructorID) VALUES (102, 'Data Mining', 3, 10);Group of answer choicesEntity integrity constraintReferential integrity constraintNo ViolationKey constraint Flag question: Question 10Question 102 pts

Question

INSERT INTO Courses (CourseID, CourseName, Credits, InstructorID) VALUES (102, 'Data Mining', 3, 10);Group of answer choicesEntity integrity constraintReferential integrity constraintNo ViolationKey constraint Flag question: Question 10Question 102 pts

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Solution

This SQL statement does not violate any constraints. It is inserting a new record into the Courses table with CourseID as 102, CourseName as 'Data Mining', Credits as 3, and InstructorID as 10.

However, whether it violates the Entity integrity constraint, Referential integrity constraint, or Key constraint depends on the schema of the Courses table and the existing data in it.

  1. Entity integrity constraint: This constraint ensures that the primary key of a table cannot be null. In this case, if CourseID is the primary key of the Courses table, the statement does not violate this constraint as a value (102) is provided.

  2. Referential integrity constraint: This constraint ensures that a foreign key value always points to an existing row. If InstructorID is a foreign key in the Courses table that references the primary key in another table (say, Instructors table), this constraint will be violated if there is no Instructor with ID 10 in the Instructors table.

  3. Key constraint: This constraint ensures that a table does not have duplicate rows (i.e., the primary key values are unique). If there is already a course with CourseID 102 in the Courses table, this constraint will be violated.

Without knowing the schema of the Courses table and the existing data in it, we cannot definitively say which constraint, if any, is violated.

This problem has been solved

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