If a query includes columns from multiple tables that have the same name, the statement must precede those column names with _________.
a. their database names.
b. their database names and a dot.
c. their table names and a dot.
d. their table names.
c. their table names and a dot.
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A(n) _____________________ is a list collection has elements whose elements can be referenced using a numeric index.
a) ordered list b) unordered list c) indexed list d) linked list e) array
Which of the following terms refers to broadening of a light pulse as it propagates through a fiber strand?
a. Pulse shaping b. Diffusion c. Absorption d. Dispersion
Which of the following statements will convert a string s into a double value d?
a. d = Double.parseDouble(s); b. d = (new Double(s)).doubleValue(); c. d = Double.valueOf(s).doubleValue(); d. All of the above.
PHP provides the ____________________ function for changing the permissions of a file within PHP.
Fill in the blank(s) with the appropriate word(s).