According to the SQL standard, what is the maximum number of times UNION can be used in a single SELECT expression?
a. Dependent upon the database system.
b. There is no limit.
c. Once
d. Twice
b. There is no limit.
Computer Science & Information Technology
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Digital is better than analog encoding of information because with digital it is possible to have a(n) _______.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
Metadata is synonymous with document properties
Indicate whether the statement is true or false
Computer Science & Information Technology
Although Excel checks that the formula has the correct structure, it does not check that the formula contains the correct values or cell references.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology
A logical function is a function that works with values that are either ____.
A. right or wrong B. absolute or relative C. positive or negative D. true or false
Computer Science & Information Technology