| http://www.w3.org/ns/prov#value | - In addition to the IF-THEN-ELSE statement, this PL/SQL code fragment shows BEGIN...END delimiters, none of which you will find in SQL. Borrowed from SQL, though, are the SYSDATE function, which returns the date and time on the system clock at the moment that you call it, and TO_CHAR, which converts the date bytes to something understandable such as the day of the week.
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