Juan: Here is the sample. It is an undo block dump. Are you looking for block dumps or undo traces? *----------------------------- * Rec #0x1 slt: 0x2d objn: 31961(0x00007cd9) objd: 31961 tblspc: 14(0x000000 0e) * Layer: 11 (Row) opc: 1 rci 0x00 Undo type: Regular undo Begin trans Last buffer split: No Temp Object: No Tablespace Undo: No rdba: 0x00000000 *----------------------------- uba: 0x03401ea9.0247.12 ctl max scn: 0x0000.004f0664 prv tx scn: 0x0000.004f06eb KDO undo record: KTB Redo op: 0x04 ver: 0x01 op: L itl: xid: 0x0034.008.0000088a uba: 0x034546ec.027f.03 flg: C--- lkc: 0 scn: 0x0000.004ef173 KDO Op code: QMD row dependencies Disabled xtype: XA bdba: 0x03875321 hdba: 0x0382059a itli: 2 ispac: 0 maxfr: 3239 tabn: 0 lock: 0 nrow: 1 slot[0]: 34 ===== Have a nice day !! ------------------------------------------------------------ Best Regards, K Gopalakrishnan, Co-Author: Oracle Wait Interface: Oracle Press 2004. http://www.amazon.com/exec/obidos/tg/detail/-/007222729X/ __________________________________ Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. http://promotions.yahoo.com/new_mail -- //www.freelists.org/webpage/oracle-l