db_recovery_file_dest_size big integer 110G The window retention is 1 day => CONFIGURE RETENTION POLICY TO REDUNDANCY 1; We've found that there are 839 flashback logs: SQL> SELECT * FROM V$FLASH_RECOVERY_AREA_USAGE; FILE_TYPE PERCENT_SPACE_USED PERCENT_SPACE_RECLAIMABLE NUMBER_OF_FILES CO...
在Oracle 10g中,Flash back家族分为以下成员:Flashback Database,Flashback Drop,Flashback Query(分Flashback Query,Flashback Version Query,Flashback Transaction Query三种) 和 Flashback Table。 1.Flashback Database Flashback Database 功能非常类似于RMAN的不完全恢复,它可以把整个数据库回退到过去的某个时点...
Take care before doing this. Oracle uses the undo tablespace to run flashback queries. So increasing the retention means you’ll need to make this larger to support flashback. This could lead to a big jump in storage requirements. The second problem normally rears(饲养)its head after release...
and someone writes malicious code that takes advantage of the flaw to break out and gain additional access to your computer. What makes environments like Java and Flash so problematic is that, when enabled in your browser, they run such programs without asking your permission to do so....
"Simple" SQL to check for alpha or numeric charcters isn't working right "String or binary data would be truncated.\r\nThe statement has been terminated." "String or binary data would be truncated" and field specifications “Unable to enlist in the transaction” with Oracle linked server fro...
Fast-Start Failover is a technique used in Oracle Data Guard, but without requiring waiting for the failover process to complete.
Take care before doing this. Oracle uses the undo tablespace to run flashback queries. So increasing the retention means you’ll need to make this larger to support flashback. This could lead to a big jump in storage requirements. The second problem normally rears its head after releases. ...
| Loader Subsystem Monitoring Checking Agent Backlog Uneven load on specific Management Server :Check if SLB configuration is set to Round-Robin algorithm Permitted deviation tolerance : 10 – 20 % Deviation tolerance 10-20% General Advice It is normal to have some amount of...
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How to check SCN rate? There are multiple ways to check SCN rate in your database. Method 1:smon_scn_time keeps track of the mapping between time and SCN at approximately 5 minutes granularity. That can be used to measure SCN rate, see code below. Although, this is easier to check, ...