RE: Partitoned Table Insert Performance

2002-05-02 Thread basher 59
oepke, Kevin M" <[EMAIL PROTECTED]> >Reply-To: [EMAIL PROTECTED] >To: Multiple recipients of list ORACLE-L <[EMAIL PROTECTED]> >Subject: RE: Partitoned Table Insert Performance >Date: Thu, 02 May 2002 09:48:31 -0800 > >Way back in the days of Oracle 8.0.5 I did

RE: Partitoned Table Insert Performance

2002-05-02 Thread Toepke, Kevin M
Way back in the days of Oracle 8.0.5 I did some performance testing of bulk inserts/sqlldr of range partitioned tables v.s. non-partitioned tables. I don't have the benchmarks on hand, but here's what I found. All tests were done using the direct path inserts (sqlldr direct=true or /*+ APPEND */)

Re: Partitoned Table Insert Performance

2002-05-02 Thread Jonathan Lewis
My last set of test results is a little out of date, but here's an idea to check. Inserting single rows: partitioned key insert HAD ca. 50% overhead Array Inserts sorted by partition key to get lots of adjacent rows in the same partition virtually no overhead Array inserts randomised t