Which of the following describes all of the categories of data pertaining to one person, place, thing, event, or idea within a table row?
A) record B) field C) query D) database
A
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The enumeration FileAccess is used to ________.
a) control future users’ access to a file a) control future users’ access to a file b) control program access to a file c) control the amount of updating that can be done on a file at once d) FileAccess is a method, not an enumeration. c) control the amount of updating that can be done on a file at once d) FileAccess is a method, not an enumeration.
The two primary stack operations are
a. push and pull b. push and pop c. insert and delete d. append and delete e. None of these
Modify rolo from this chapter so that a person running the program can keep their phone book file in whatever directory they prefer. This can be done by requiring that the user have set a variable called PHONEBOOK to be the name of the phone book file. Check to make sure that it's a valid file and default to the phone book file being in their $HOME directory if the variable's not set.
Here is an example: $ PHONEBOOK=/users/steve/personal lu Gregory Gregory 973-747-0370 $ PHONEBOOK=/users/pat/phonebook lu Toritos El Toritos 973-945-2236 $ In the preceding example, we assume that the user steve has been granted read access to pat's phone book file. Solution
__________ methods enable a program to view a portion of a collection.
a. Focus-view. b. Range-view. c. Delimiter-view. d. Subset-view.