Hi, I know this is not to user in production database and hardly in test database. But only for curiosity I want to get it work, but it hang very easily I don't understand why this hanged Some ideas please? :( 21:27:01 10.2>alter system set "_disable_logging"=True scope=spfile; 21:27:01 10.2>alter system switch logfile; 21:27:01 10.2>shutdown normal; Base de datos cerrada. Base de datos desmontada. Instancia ORACLE cerrada. 21:28:32 10.2>startup pfile=E:\oraSERPG\init\initSERPG.ora Instancia ORACLE iniciada. Total System Global Area 301989888 bytes Fixed Size 1248648 bytes Variable Size 62915192 bytes Database Buffers 230686720 bytes Redo Buffers 7139328 bytes Base de datos montada. Base de datos abierta. 21:28:48 10.2>create table test as select * from dba_objects where 1=-1; 21:28:52 10.2>insert into test select * from dba_objects; 21:28:57 10.2>rollback; 21:28:57 10.2>insert into test select * from dba_objects; 21:28:59 10.2>commit; 21:28:59 10.2>insert into test select * from dba_objects; 21:29:01 10.2>rollback; 21:29:01 10.2>insert into test select * from dba_objects; 21:29:03 10.2>commit; 21:29:03 10.2>insert into test select * from dba_objects; 21:29:06 10.2>rollback; 21:29:06 10.2>insert into test select * from dba_objects; 21:29:08 10.2>commit; 21:29:08 10.2>insert into test select * from dba_objects; 21:29:10 10.2>rollback; 21:29:11 10.2>insert into test select * from dba_objects; 21:29:12 10.2>commit; 21:29:13 10.2>insert into test select * from dba_objects; *********** ******.. Hanged here indefinitively**** *********** *********** ********The logwriter continued working, *********** *** 2006-02-10 21:56:24.375 tkcrrsarc: (WARN) Failed to find ARCH for message (message:0x1) tkcrrpa: (WARN) Failed initial attempt to send ARCH message (message:0x1) tkcrrsarc: (WARN) Failed to find ARCH for message (message:0x1) tkcrrpa: (WARN) Failed initial attempt to send ARCH message (message:0x1) tkcrrsarc: (WARN) Failed to find ARCH for message (message:0x1) tkcrrpa: (WARN) Failed initial attempt to send ARCH message (message:0x1) ..... ..... The paremeters I'm using on 10.2 for windows are the following audit_file_dest E:\ORASERPG\AUDIT background_dump_dest E:\ORASERPG\TRACE\BACKGROUND compatible 10.2.0.1.0 control_files E:\ORASERPG\CONTROLFILES\CTL_SERPG01.CTL, E:\ORASERPG\CONTROLFILES\CTL_SERPG02.CTL, D :\ORASERPG\CONTROLFILES\CTL_SERPG01.CTL, D:\ORASERPG\CONTROLFILES\CTL_SERPG02.CTL core_dump_dest E:\ORASERPG\TRACE\CDUMP cursor_sharing EXACT cursor_space_for_time FALSE db_block_size 8192 db_cache_size 0 db_domain db_file_multiblock_read_count 16 db_files 15 db_keep_cache_size 83886080 db_name SERPG db_recovery_file_dest D:\ORASERPGflash_recovery_area db_recovery_file_dest_size 94371840000 db_recycle_cache_size 54525952 _disable_logging TRUE dispatchers (PROTOCOL=TCP) (SERVICE=SERPGXDB) fast_start_mttr_target 300 instance_name SERPG java_pool_size 0 job_queue_processes 10 large_pool_size 0 license_max_users 800 log_archive_format ARC%S_%R.%T log_buffer 7029248 log_checkpoint_interval 0 log_checkpoint_timeout 0 open_cursors 800 open_links 20 optimizer_index_caching 90 optimizer_index_cost_adj 10 pga_aggregate_target 157286400 processes 100 query_rewrite_enabled TRUE query_rewrite_integrity TRUSTED read_only_open_delayed FALSE remote_dependencies_mode SIGNATURE remote_login_passwordfile EXCLUSIVE session_cached_cursors 1000 session_max_open_files 100 sga_target 301989888 shared_pool_size 0 spfile E:\ORASERPG\INIT\SPINITSERPG.ORA timed_statistics TRUE undo_management AUTO undo_retention 56000 undo_tablespace TBL_UNDO user_dump_dest E:\ORASERPG\TRACE\USER utl_file_dir * workarea_size_policy AUTO The script I'm trying to run is: CONN SYS/SERPG70516996@SERPG AS SYSDBA alter system set "_disable_logging"=True scope=spfile; alter system switch logfile; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora create table test as select * from dba_objects where 1=-1; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; commit; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; rollback; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; commit; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora truncate table test; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; rollback; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; insert into test select * from dba_objects; commit; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora truncate table test; shutdown normal; startup pfile=E:\oraSERPG\init\initSERPG.ora -- //www.freelists.org/webpage/oracle-l