June 2013
Beginner
404 pages
9h 40m
English
Content preview from Oracle Data Guard 11gR2 Administration : Beginner's GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Time for action – fixing NOLOGGING changes on a standby database with incremental datafile backups
As a prerequisite for this exercise, first put the primary database in the no-force logging mode using the ALTER DATABASE NO FORCE LOGGING statement. Then perform some DML operations in the primary database using the NOLOGGING clause so that we can fix the issue in the standby database with the following steps:
- Run the following query to identify the datafiles that are affected by
NOLOGGINGchanges:SQL> SELECT FILE#, FIRST_NONLOGGED_SCN FROM V$DATAFILE WHERE FIRST_NONLOGGED_SCN > 0; FILE# FIRST_NONLOGGED_SCN ---------- ------------------- 4 20606544
- First we need to put the affected datafiles in the
OFFLINEstate in the standby database. For this ...
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