reuters archive

Reuters's questions are quite detailed. One point, each layer is very careful. Next we will describe the unclear questions that I have encountered. 1: thread status Thread thread = new thread (); State state = thread. getstate (); The

Reprinted from: http://blog.csdn.net/leshami/article/details/5784713Oracle can save online log files to many different locations, and the process of converting online logs to archived logs is called archiving. The corresponding log is called the archive log.First, archive the logis a copy of the online redo log group file that contains the redo record and a unique log sequence number to

The archive log (Archive log) is a non-active redo log backup. By using archived logs, you can keep all the redo history, when the database is in Archivelog mode and log-switched, Background process Arch will save the contents of the redo log to the archive log. With data file backups, archive logs and redo logs to ful

to see if an Oracle database is in archive mode1.select Name,log_mode from V$database; NAME log_mode------------------------------------------QUERY noarchivelog 2. Use archive log LIST command Database log MODE No Archive Mode Automatic Archival Disabled Archive destination/data/oracle/product/10.2.0/db_1//dbs/arch old

To ensure that the Oracle database works normally in archive mode, perform the following settings:: 1. Set the database to archive If the database archive mode is not enabled, the query displays the following information (non-archive mode ): 1. query the current database mode SQL>

1.select Name,log_mode from V$database; NAME log_mode------------------------------------------QUERY noarchivelog 2. Using the archive Log LIST command Database log Mode No Archive Mode Automatic archival Disabled Archive destination/data/oracle/product/10.2.0/db_1//dbs/arch Olde St Online log sequence 739 current log sequence 741 edit this section what is Oracle

One. To see if the Oracle database is in archive mode:1.select Name,log_mode from V$database;NAME Log_mode------------------ ------------------------QUERY Noarchivelog2. Use archive LOG LIST commandDatabase log mode No Archive modeAutomatic Archival DisabledArchive Destination/data/oracle/product/10.2.0/db_1//dbs/archOldest online log sequence 739Current log sequ

Dataguard archive loss (not in the master database). The slave database restores the Environment Based on SCN: OS: centos 6.5db: Oracle 10.2.0.5 1. master database environment master database: SQL> select dbid, name, log_mode, open_mode, db_unique_name, database_role, protection_mode from V $ database; dbid name log_mode open_mode db_unique_name database_role protection_mode ---------- ----------- ------------ ------------------------ -------------- -

Oracle 11g Flashback Data Archive (flash back Data archiving) UNDO tablespace record rollback information although it can provide flash back query, but for a long time, this information will be overwritten. In fact, as long as the transaction is committed, it will become a writable object. Therefore, when performing a transient query, we will receive the 1555 error because we cannot find the undo block, and Flashback Data

In the development and testing environments of Oracle databases, the log mode and automatic archiving mode of databases are generally not set, which is conducive to the adjustment of system applications, the generation of a large number of archive log files will consume a lot of disk space. However, when the system goes online and becomes a production environment, it is very important to set it to log mode and automatically

Recently, due to the surge in archive logs, deleting archivelog all seems to be unable to clear all archived logs. Why? 1. Demo Environment SQL> select * from v $ version where rownum BANNER ---------------------------------------------------------------- Oracle Database 10g Release 10.2.0.3.0-64bit Production SQL> select inst_id, instance_name from gv $ instance; --> two nodes RAC INST_ID INSTANCE_NAME -------------------------- 1 GOBO4A 2 GOBO4B

Oracle Database TableSpace and archive [SQL] -- TableSpace (TableSpace) is a pioneering concept of Oracle. Table space makes database management more flexible and greatly improves database performance. -- Function: 1. avoid the risk of sudden depletion of disk space 2. more flexible planning data 3. improve database performance 4. improve database security/* ============================================== ======= create an Oracle tablespace ===========

IOS-archive and Archiver, UnArchiver, and ios-unarchiver 1. Existing archive and archive First, let's look at a simple example: // Method 1: Archive object // object --> file NSArray * array = [NSArray arrayWithObjects: @ "zhang", @ "wangwu", @ "lisi", nil]; // NSHomeDirectory get the root directory stringByAppendingPa

Oracle can save an online log file to a number of different locations, and the process of converting an online log to an archive log is called archiving. The corresponding log is called an archive log. One, archive log is a copy of the online redo log group file Contains redo records and a unique log sequence number Archi