ZT:SCN
1、使用DBMS_FLASHBACK.GET_SYSTEM_CHANGE_NUMBER过程不会导致SCN的增加select dbms_flashback.get_system_change_number current_scn from dual;2、使用CURRENT_SCN会导致SCN的增加select current_scn from v$datab...
编译Oracle内置工具
1、BBED$ cd $ORACLE_HOME/rdbms/lib$ make -f ins_rdbms.mk BBED=$ORACLE_HOME/bin/bbed $ORACLE_HOME/bin/bbed$ bbedpassword: blockeditBBED> help all
ZT:ORA-01200
$ oerr ora 120001200, 00000, "actual file size of %s is smaller than correct size of %s blocks"// *Cause: The size of the file as returned by the operating system is smaller// &...
高级:Trace Oracle Client
TRACE_LEVEL_CLIENT=16TRACE_UNIQUE_CLIENT=TRUETRACE_DIRECTORY_CLIENT=D:\oracle\product\10.2.0\db_1\NETWORK\client_logTRACE_FILE_CLIENT=clientTRACE_TIMESTAMP_CLIENT=ONtrace_level_server = ADM...
ZT:PSU与RAC Rolling Upgrade
随着Oracle软件越来越庞大,内部结构越来越'精密, 每个版本推出来的新特性,新功能总是有各种各样的缺陷;而新版本中对上一个版本中遗留问题的修复又会引入新的问题。老...
ZT:PSR、PSU
首先以Oracle的数据库产品为例,简单介绍其版本表示和补丁体系。8i,9i,10g,11g这是其主要版本号,每一版本会陆续有两至三个发行版,如10.1,10.2,11.1和11.2分别是10g和...
oradebug hanganalyze
Oracle数据库“真的”hang住了,可以理解为数据库内部发生死锁。因为普通的DML死锁,Oracle服务器会自动监测它们的依赖关系,并回滚其中一个操作,...
将数据文件移动到ASM上
$ rman target /RMAN> copy datafile 4 to '+DATA2';RMAN> switch datafile 4 to copy;SQL> select name from v$datafile;进行TTS表空间传输时就可以使用。想来对RAC数据库进行表空间传输用这种方法...
除障:无趣,归档日志满
$ lsvg -l archvgarchvg:LV NAME TYPE LPs PPs&n...
在ASM上增加CONTROLFILE
原因:建库时控制文件只建了一个,没办法只能加。1、shutdown immediate -- 如果是RAC,则所有节点都要停掉2、export ORACLE_SID=+ASM13、通过asmcmd命令,在+DATA2、+DATA3上创建目...
安装:字符集测试工具
1、安装以SYS用户运行:$ORACLE_HOME/rdbms/admin/csminst.sql;安装过程中要求输入新建用户CSMIG的密码;2、运行csscan,检查当前数据库的字符集NLS_CHARACTERSET;然后输入想要变更的字符集名称AL32UT...
Transport Tablespace
1、在源库通过SELECT PLATFORM_NAME, ENDIAN_FORMAT FROM V$TRANSPORTABLE_PLATFORM;检查是否能将表空间传输到目标库;2、在源库使用DBMS_TTS.TRANSPORT_SET_CHECK('表空间名称列表', TRUE, TRUE);...
Enabling Block Change Tracking
sqlplus SYS/<password>@<connect_identifier> AS SYSDBAalter system set DB_CREATE_FILE_DEST=ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;ORALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE ‘/<path ...
Enable Flashback Databse
sqlplus SYS/<password>@<connect_identifier> AS SYSDBAalter system set db_recovery_file_dest=alter system set db_recovery_file_dest_size=shutdown immediate;startup mount;alter system set db_flashback_r...
Create Recovery Catalog
1、CREATE USER rman IDENTIFIED BY <password> TEMPORARY TABLESPACE temp DEFAULT TABLESPACE tools QUOTA UNLIMITED ON tools;2、GRANT RECOVERY_CATALOG_OWNER TO rman;3、GRANT CONNECT TO rman;4、rman CONNEC...
Allocate Channel
CommVaultconfigure controlfile autobackup on;run { allocate channel ch1 type 'sbt_tape' parms = "BLKSIZE=262144"; setlimit channel ch1 maxopenfiles 8; parms = "SBT_LIBRARY=/opt/galax...
与权限相关的数据字典视图
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE</w:LidThemeComplexScript. ...
故障:ORA-00600 [keltnfy-ldmInit], [46], [1]
Mon Feb 8 12:00:10 2010Errors in file /opt/oracle/admin/test/bdump/test_ora_10980.trc:ORA-00600: internal error code, arguments: [keltnfy-ldmInit], [46], [1], [], [], [], [], []Mon Feb 8 1...
ZT:字符集转换
Normal 0 7.8 磅 0 2 false false false EN-US ZH-CN X-NONE</w:LidThemeComplexScript. ...
表、索引的数据分析
Oracle 9i:Create Table:表、列没有统计信息Create Index:索引没有统计信息Alter Index xxx rebuild online compute statistics:表、索引列、 索引都有统计信息Oracle 10g:Create Table:表、列...