When the corresponding columns in a UNION have different names, what is the name of the column in the final result set?
a. The name of the column in the first SELECT statement.
b. The name of the column in the second SELECT statement.
c. The database system determines the name of the column.
c. The database system determines the name of the column.
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The primary purpose for decreasing user privilege levels is:
a. To reduce support costs b. To limit the effects of malware c. To improve system performance d. All of the above
Base classes are sometimes called super classes, and derived classes are sometimes called ____________.
a. planned classes b. copy classes c. derivatives d. sub classes
If you want XHTML-compliant code, you must always include closing tags.
Answer the following statement true (T) or false (F)
Which of the following examples is a correct example of the syntax used to add a background image to a Web page?
A) "background:url(images/waterfall.gif)" B) background:url("images/waterfall.gif") C) background-url(images/waterfall.gif) D) background:"url(images/waterfall.gif)"