A primary key is used to ________________ .
a) create rows in a database
b) identify columns in a database
c) distinguish between rows in a table
d) None of the above.
c) distinguish between rows in a table
You might also like to view...
The de?nition of functional dependencies does not preclude the case in which the lefthand side is empty—that is, it allows FDs of the form {}?A. Explain the meaning of such dependencies.
What will be an ideal response?
To make sure a Word 2013 document can be read in its entirety by those who use an earlier version of Word, you can check the document for ________
Fill in the blank(s) with correct word
After setting static IP information on several computers, if you discover that they cannot communicate, what is the most likely cause?
What will be an ideal response?
Layout containers help you arrange GUI components. A VBox arranges its nodes________.
a. left to right b. by best fit c. vertically from top to bottom d. None of the above.