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Oracle: DBMS_SQL.FETCH_ROWS

dbms_sql.fetch_rows must be called repeatedly to fetch all rows from a select statement.
The function returns the actual number of rows that were fetched. 
…
  while dbms_sql.fetch_rows(cur) > 0 loop
        …
  end loop;
…

Return value

The returned value corresponds to the number of records fetched.
When using define_array, a call to fetch_rows returns multiple rows .
When no more rows can be fetched, the function returns 0.

See also

dbms_sql

Index

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