bind_param_array would seem to be what you're looking for. I haven't checked the details but you may be able combine it with the BULK COLLECT and FORALL modifiers for SELECT and INSERT/UPDATE statements to improve performance. Another option would be to add the hint /*+ APPEND */ to your INSERT statement which will bypass the SQL layer completely and do a direct path insert. This will consume space (blocks are only added beyond the high water mark) but performance is increased.

For massive (one-off) loads, pre-sort the data, alter the tables to be loaded to be NOLOGGING, use a direct path load method, re-enable LOGGING, build the indexes (massively increase SORT_AREA_SIZE for this session), take a cold backup and restart the database.

rdfield

In reply to Re: Oracle + Perl + bulk operation? by rdfield
in thread Oracle + Perl + bulk operation? by pg

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