Which keyword CANNOT be used to declare a variable in modern JavaScript?

Which of the following is the correct way to embed an external JavaScript file in an HTML page?

Consider the following Orders table:

And the SQL query:

<SQL>

SELECT order_id

What is the output of this query?

A junior developer executes the following SQL statement:

<SQL>

INSERT INTO Student (ID, Name) VALUES (7, 'New');

What happens if ID is the primary key and the value 7 already exists in the table?

Which attribute on an <a> element causes the link to open in a new browser tab?

A background image is repeating across an element, but the developer wants it to display only once. Which CSS declaration will prevent the image from repeating?

What is printed by the code below?

JavaScript

let name = "Ali";

In a company, employees can supervise other employees. In an Entity-Relationship (ER) diagram, how should this relationship be modeled?

Consider a relation R(EmployeeID, DeptID, DeptName) with the following functional dependencies:

• EmployeeID → DeptID
• DeptID → DeptName

Which normalization step is required to improve this relation?

Consider the following SQL query:

<SQL>

DELETE FROM Employee WHERE Dept = 'HR';

What will happen if there are no employees in the HR department?