Examlex
In PL/SQL, if a SELECT statement returns no rows, Oracle does not return an error.
Wildcard Symbols
Special characters used in search queries or programming to represent unknown, variable, or multiple characters.
Asterisk (*)
A symbol used in programming as a wildcard, for multiplication, and in regular expressions to denote zero or more occurrences.
Question Mark (?)
A punctuation mark used at the end of a sentence to indicate a direct question or request for information.
Form View
A database view that displays one record at a time in a form-like format, allowing for easy data entry and editing.
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