在Oracle数据库中,有时候需要根据实际情况调整redo log的大小,增加redo log的日志组的数量,或者增加日志组成员,以及redo log的size大小不合适时,需要调整redo log的大小(删除redo log,重新添加redo log),一般情况下,都是手工写脚本,如果多台数据库实例,就必须写很多脚本,那么可不可以用一个脚本自动生成相关脚本,自...
2. Set STANDBY_FILE_MANAGEMENT to MANUAL. SQL> ALTER SYSTEM SET STANDBY_FILE_MANAGEMENT='MANUAL'; 3. Add Redolog File Group: SQL> ALTER DATABASE ADD LOGFILE GROUP 4 ('/U01/oracle/modg1/redo04.log') SIZE 50M; Add as many Redo Logfile Groups (or Members) you want to add. 4. Set...
Oracle Database Cloud Exadata Service - Version N/A and laterInformation in this document applies to any platform. Oracle Server Enterprise Edition - Version: 9.2 to 11.2GoalProblem: Need to increase the amount/size of redo log files in the RAC environment.The following note explains this ...
SQL> ALTER SYSTEM SET STANDBY_FILE_MANAGEMENT='MANUAL'; 3. Add Redolog File Group: SQL> ALTER DATABASE ADD LOGFILE GROUP 4 ('/U01/oracle/modg1/redo04.log') SIZE 50M; Add as many Redo Logfile Groups (or Members) you want to add. 4. Set STANDBY_FILE_MANAGEMENT to AUTO. SQL> ALTE...
For Begin, select the location in the redo or transaction log where the Extract starts to capture data: Now Custom time CSN For Trail Name, enter a two character name for the Trail file. (Optional) For Trail Subdirectory, set a custom location for the generated Trail file. (Optional) Fo...
Oracle Database error codeORA-01537indicates that a specific operation has failed due to an issue with the database's archived redo log files. The full error message typically reads: ORA-01537:cannot extend database file (filename) for (number) more blocks ...
当数据库open时,你可以发出ALTER DATABASE ADD SUPPLEMENTAL LOG DATA 语句。 但是,Oracle database 把 cursor cache中所有的DML cursors 置为无效,这对性能有影响直到cache被重新生成。 此外(Besides),我们也需要等待所有的未决事务完成,以便在该DDL(ALTER DATABASE ADD SUPPLEMENTAL LOG DATA )之后生成的redo 都带...
Database and version: Oracle 11g RAC To Reproduce Steps to reproduce the behavior: Thes test data : The test code : The error : Additional Description 2022-05-10 11:00:37 org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will...
Oracleに有効です。 表レベルで部分的なJSON更新をフェッチします。有効にすると、REDOには部分的なJSONレコードが含まれます。 TRANLOGOPTIONSFETCHPARTIALJSONパラメータも参照してください。 PREPARECSN {WAIT | LOCK | NOWAIT | NONE}
这样会花费很长的时间，同时也会产生大量的redolog。所以在11g以前添加带默认值的列需要在DB相对空闲时进行。 在Oracle11g对addcolumn功能进行了增强，在上述情况下，11g中不会更新表中所有的记录，而是将默认值保存到数据字典里。当用户查询该列的记录时，在从数据字典（sys.col$.default$）中获取默认值。这样做...