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For which task is it best to use a character string enclosed by double quotes?
Question 1:
For which task is it best to use a character string enclosed by double quotes?
A.
Referring to a column in the database
B.
Using a reserved word to declare an identifier
C.
Using a hyphen to concatenate two columns
D.
Referring to a number variable by using a logical operator
These questions are from this test. Would you like to take a practice test?
PL/SQL Quiz 3 | Englishfreetest.com
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10 questions
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