Q: You are to complete the code needed to update records. You need to assign the updated value for the vehicle model before updating. Which will best complete this statement?

{
fmVehicle.dbModel _______ "Big Truck";
 fmVehicle.update();
 }

 

Answer: B

Justification:

1. The “==” is used as a relational operator. This returns “true” when the two expressions are equal, it does not assign any values.
2. The “=” is the correct operator to use to assign the value of the dbModel field to the value “Big Truck” in this example.
3. The “+=” is an assignment operator that increments the value of the variable on the left by the value of the expression on the right. It does not assign values.
4. The “!=” operator is a relational operator returns “true” if two expressions are NOT equal. It does assign values.

 

Related Lesson: Data Updates

Click me to Read more Question & Answer of Module 14: Database Manipulation

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