oracle rdbms

bbed is an internal tool for Oracle, and typically uses bbed to recover some of the failed databases, such as data file header inconsistencies caused by power outages or abnormal shutdown of the operating system, and system tablespace corruption, which can be recovered using the bbed tool. compiling in 11G usually reports the following error:[email protected] lib]$ make-f ins_rdbms.mk $ORACLE _home/

SYSTEM Sat Aug 20 00:27:01 2011 SMON: enabling tx recovery Sat Aug 20 00:27:02 2011 Threshold validation cannot be done before catproc is loaded. Replication_dependency_tracking turned off (no async multimaster replication found) Starting background process QMNC QMNC started with pid = 13, OS id = 6485 Sat Aug 20 00:27:03 2011 Completed: create database test User sys identified by ** user system identified by * datafile '$ ORACLE_BASE/oradata/test/system01.dbf' size 400 m Sysaux datafile '$ ORA

,dba GridUSERADD-G oinstall-g DBA,ASMDBA Oracleecho ' Oracle ' | passwd--stdin Oracleecho ' Oracle ' | passwd--stdin GridMkdir/s01Mkdir/g01Chown oracle:oinstall/s01Chown GRID:OINSTALL/G017. Install Oracle-rdbms-server-11gr2-preinstall with Yum to prepare the RAC installation environment[Email protected] ~]# CD/ETC/YUM.

group ASM and RDBMS is set11.2. The figure shows the extent. BeforeThe size of extent is 1 m and 1 * Au. For the next 20,000 extent set, the size of extent is 4 MB, which is equal to 4 * Au. In Figure 1-5, the file uses 128 K small blocks (with ...... X is a tag), and each 128 K small block is stored in an extent, starting from the first extent in Disk 1, followed by the first extent in Disk 2, then it is distributed cyclically on all disks until the

NAME VALUE CON_ID ------- -------------------- -------------------------------------------------- ------- 1 Diag Enabled TRUE 0 1 ADR Base /u01/app/oracle 0 1 ADR Home /u01/app/oracle/diag/

Rdbms:1, the establishment of the database delete2. Creation, deletion and modification of forms3. Creation and deletion of indexes4. Users and Permissions5, the Data deletion and modification6. EnquiryDML: Data Manipulation languageINSERT REPLACE

Oracle BBED (oracle block browser and editor tool)Installation and Use BBEDTools can be used to change dataBlockBut not officially supported. The installation process is as follows: $Cd $ ORACLE_HOME/rdbms/lib $Ls-al * bb *. o -Rw-r --1 oracleOinstall1671 May 10 2008Sbbdpt. o -Rw-r --1 oracleOinstall900 May 10 2008Ssbbded. o $Make-f ins_rdbms.mk $ ORACLE_HOME/

Oracle dynamic display log, oracle dynamic log 1. view the location of the log file; IND_USER @ PROD> select inst_id, name, value from v $ diag_info; INST_ID NAME VALUE--------------------------------------------------------------------------------1 Diag Enabled TRUE1 ADR Base/u01/app/oracle1 ADR Home/u01/app/oracle/diag/rdb