What is a Redo Log ?

Answer Posted / nishi

The most crucial structure for recovery operations is the redo log, which consists of two or more preallocated files that store all changes made to the database as they occur. Every instance of an Oracle Database has an associated redo log to protect the database in case of an instance failure.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is oracle latest version?

582


What is a view and how is it different from a table?

572


Hi friends can u send the oracle 9i full version download link?????????????? please reply ?

1442


How to display row numbers with the records?

588


Explain oracle’s server parameter file.

564






How do I find the database name in oracle?

601


How to convert characters to dates in oracle?

559


What does sharding mean?

539


How to convert a string to a date in oracle database?

542


How do I limit the number of rows returned by an oracle query after ordering?

633


does the query needs a hint to access a materialized view?

1468


Explain an extent?

657


What do you mean by a database transaction & what all tcl statements are available in oracle?

553


How to view existing locks on the database?

550


What is difference between sid and service name in oracle?

519