Bulk loading an Informix database
Posted in 1994
IF> I am trying to find a way to bulk load an Informix database. Is there
IF>a preferred method to do this (short of inserting each row)?
For a large conversion project (about 1.5million records, to be
converted to Informix overnight), we did some testing about 18months
ago.
Essentially, we found the quickest bulk-load was the Informix SQL "load"
statement, with no indexes on the database table. This was at least four
times the speed of the "dbload" utility.
For safety, we split the load files into chunks of about 30thousand
records.
With a bunch of utility and conversion programs, we loaded nine IBM
1600bpi tapes into Informix, between 10pm and 8am.
mark@houston.com.hk
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