SQL%ROWCOUNT:
Number of rows affected by most recent SQL statement.
SQL%FOUND:
Boolean attribute that evaluates to TRUE if most recent SQL statement affects
one or more rows.
SQL%NOTFOUND:
Boolean attribute that evaluates to TRUE if most recent SQL statement does not
affect any row.
SQL%ISOPEN:
Always evaluates to FALSE because P/L SQL closes implicit cursors immediately
after they are executed.
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