1.

PL/SQL programs are written as lines of text using a specific set of characters.

A. Upper- and lower-case letters A .. Z and a .. z
B. Numerals 0 .. 9
C. Symbols ( ) + - * / < > = ! ~ ^ ; : . ' @ % , " # $ & _ | { } ? [ ]
D. Tabs, spaces, and carriage returns
E. All mentioned above
Answer» F.


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