True or false: Physical databases can have redundant data.
a. true
b. false
c. it depends on the data
d. it depends who will be using
the data
b. false
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An object's orientation consists of its ____.
A. UD, LR, and FB B. yaw, pitch, and roll C. subclass and superclass D. position and point of view
A _____________ copy of an object is a copy that has references in common with the original object.
a. bit copy b. deep copy c. shallow copy d. none of the above
Which line will delete the first two items in the food() array shown in Q. 24?
a. ``` food.splice("burger","chips"); ``` b. ``` food.splice(2); ``` c. ``` food.splice(2,0); ``` d. ``` ffood.splice(0, 2); ```
To provide a higher level of security, some operating systems require users to change their ________ regularly
A) Internet access B) password C) administrative account D) logon