How to monitor SQL Apply for 10.2.0.3 logical standby database
We have a logical standby database setup for reporting purposes. Users want to monitor whether sql apply is working or failed closely as it has reporting repercations.
In case of 9i databases , there was "Data Not Applied (logs)" metric which we used for alerting and paging, in case a backlog of more than 5 log files developed.
With 10.2.0.3 onwards, the metric no more exists.
I would like to learn from other, how to monitor the setup, so that if the backlog in logs shipping or applying develops, we get page.
Regards.
regather the statistics on the table with method_opt=>for all columns or for all indexed columns or whatever size 1
The 'size 1' directive will remove the histogram statistics.
Sorry, didn't read ur post in a hurry. Below article (http://www.freelists.org/post/oracle-l/Any-quick-way-to-remove-histograms,13) removes histogram without re-analyzing the table. Hope that helps!!!
On 3/16/07, Wolfgang Breitling <breitliw@xxxxxxxxxxxxx> wrote:
I also did a quick check and just using
exec
dbms_stats.set_column_stats(user,'table_name',colname=>'column_name',d
istcnt=>
<num_distinct>);
will remove the histogram without removing the low_value andhigh_value.
At 01:40 PM 3/16/2007, Alberto Dell'Era wrote:
On 3/16/07, Allen, Brandon <Brandon.Allen@xxxxxxxxxxx> wrote:
Is there any faster way to remove histograms other than
re-analyzing
>
the table? I want to keep the existing table, index & columnstats,
>
but with only 1 bucket (i.e. no histograms).You might try the attached script, that reads the stats using
dbms_stats.get_column_stats and re-sets them, minus the histogram,
using dbms_stats.set_column_stats.
I haven't fully tested it - it's only 10 minutes old, even if Ihave
slightly modified for you another script I've used for quite some
time - and the spool on 10.2.0.3 seems to confirmthat the histogram
is, indeed, removed, while all the other statistics are preserved.I
have also reset density to 1/num_distinct, that is the value youget
if no histogram is collected.regards,
naren
Edited by: fuzzydba on Oct 25, 2010 10:52 AM
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No optional part
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refer these too
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Message was edited by:
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Enable the new job
Change the database_role attribute of the new job to the required role
The example starts by creating a job called primary_job on the primary database. It then makes a copy of this job and sets its database_role attribute to 'LOGICAL STANDBY'. If the primary database then becomes a logical standby, the job continues to run according to its schedule.
More Information please cheek below link:
Examples of Using the Scheduler
Thank you -
How to write sql query for below mentioned eaxmple.
Hi,
I have requirement.
There are number of rows and I need the result through query as follows.Please help me to proved sql query for below mentioned requirement.
example: table TEST.
COLA COLB COLC COLD COLE COLF MANAGER 5 NULL NULL 3 NULL
SR.MANAGER 6 3 NULL NULL NULL
VP 5 5 4 5 5
I have to write the sql query if COLA IS MANAGER THEN CONSIDER MANGER RECORD,AND IF ANY COLUMN FILED IS NULL FOR MANGER THEN CONSIDER COLA IS SR.MANGER, AND IF ANY COLUMN FILED IS NULL FOR SR,MANGER THEN CONSIDER VP records.
I need output as below.
COLB COLC COLD COLE COLF
5(manager) 3(sr.manger) 4(vp) 3(manger) 3(vp)
Please provide the for above mentioned output.
ThanksDuplicate thread. please view the answer posted in your first thread.
how to write sql query.
And, please don't post any duplicate thread.
Regards.
Satyaki De. -
How to encode sql string for SQL Server when using JDBC?
in code, dynamically generate sql stirng like:
String sqlstring = "select column from table where column=' " + var + " ' ";
Question is: if var include char ' , it will cause error becuase ' is reserved by SQL Server for string reference.
So how to encode string for dynamic sql string? for example, following sql(when var =" I'm tester"):
select column from table where column like ' I'm tester '
Edited by: KentZhou on Jun 17, 2009 3:10 PMUse PreparedStatement. Use it all the way. It not only saves you from SQL injections, but also eases setting non-standard Java objects like Date and InputStream in a SQL statement.
Prepare here: [http://java.sun.com/docs/books/tutorial/jdbc/basics/prepared.html].
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