The way you use prepared statement is actually creating a insert query without telling the driver column types. It can be optimized by changing the query to INSERT INTO device_user (device_type,device ...

I try to insert rows into this table ( setUseBulkCopyForBatchInsert=true ) and I got this error: java.sql.BatchUpdateException: A rendszer érvénytelen oszlophosszt kapott a BCP-ügyféltől a következő ...