Which keyword in the UPDATE statement is used to assign values to columns?

This question is about the UPDATE statement in MySQL. The UPDATE statement is used to change data in existing rows of a table.

We need to find the keyword that is used to actually assign the new values to the columns we want to change.

Let's look at the options:
* Option A: ASSIGN - This keyword isn't used in the UPDATE statement.
* Option B: SET - This is the keyword used in the UPDATE statement to assign values to columns.
* Option C: MARK - This keyword isn't used in the UPDATE statement.
* Option D: GET - This keyword isn't used in the UPDATE statement.

So the correct answer is Option B: SET .

Here's a simple example of how you'd use the SET keyword in an UPDATE statement:

```sql UPDATE Customers SET FirstName = 'John', LastName = 'Doe' WHERE CustomerID = 1; ```
This statement updates the Customers table. It sets the FirstName to 'John' and LastName to 'Doe' for the row where CustomerID is 1.