The vi command :w !
a: saves the current file and overwrites the existing file
b: stops the write operation
c: saves in a file named w!
d: cancels the previous write command
e: none of the above
a: saves the current file and overwrites the existing file
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The difference between unary and binary operators is that binary operators
A. return 2 values. B. require two statements to execute. C. require two operands. D. can only be used with numeric variables.
The Access Save As option to back up a database
a. Back UpDatabase b. Save c. Save as Template
The color of visited link text is defined in the ____________________ attribute.
Fill in the blank(s) with the appropriate word(s).
What type of sub-query is an embedded SELECT expression that returns one or more columns and zero to many rows?
a. Row sub-query b. Table sub-query c. Scalar sub-query