Which statement is true about the UNDO_RETENTION parameter when retention guarantee is notenabled()
The UNDO_RETENTION parameter in your database is set to 1000 and undo retention is not guaranteed. Which statement regarding retention of undo data is correct?()
Which statement is true about the UNDO_RETENTION parameter when retention guarantee is not enabled()
In which situation may the UNDO_RETENTION parameter be ignored, even if it is set to a value()
In which situation is the UNDO_RETENTION parameter be ignored, even if it is set to a value()
You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting?()
You work as a database administrator for Certkiller .com. The UNDO_RETENTION parameter in your database is set to 1000 and undoretention is not guaranteed. Which statement regarding retention of undo data is correct?()
In your database, UNDO_RETENTION has been set to 600 sec and UNDO tablespace is configured for RETENTION GUARANTEE. Which statement regarding RETENTION GUARANTEE is true? ()
You have a production instance running on your server. UNDO_RETENTION is not long enough to satisfy read-consistency requirements. How do you change the UNDO_RETENTION value?()
在oracle数据库下,在强制保留策略没有打开时,有关undo_retention参数的描述那项正确?()