I have problem with my Replication using oracle 9i.It does not push transactions automatically when refresh time comes but it works fine when pushed manually.I have two sites:
1- Master
a-Master group
2- Materialized view site
a- Materialized view group (Asynchronous)
b- Materialized view with refresh occur automatically on future date every 5 minutes
c- refresh type FORCE.
I have a multimaster advance replication environment and we have less than 10 transaction per day...I want to propagate data as soon as possible like sync if I setup the schedule push to propagate transaction every 5 seconds as below
BEGIN
DBMS_DEFER_SYS.SCHEDULE_PUSH(
destination => 'orc2',
interval => 'SYSDATE + (5/60*60*24)',
next_date => SYSDATE,
parallelism => 1,
delay_seconds => 10);
END;
/
in other hand ,book(I mean Advance Replication) has written that for simulating continuous push we should setup it as below so it will propagate transaction every 1 minute.
My second question is:I know interval >= 'SYSDATE + (1/144)' means every 10 minutes a job will start and delay_seconds => 1200 means each job remain aware for 20 minutes, but I can't understand the logic?why it can simulate 1 minute propagation?
BEGIN
DBMS_DEFER_SYS.SCHEDULE_PUSH(
destination => 'orc2',
interval => 'SYSDATE + (1/144)',
next_date => SYSDATE,
parallelism => 1,
execution_second >= 1500,
delay_seconds => 1200);
END;
My thrid question is :Which of the above setups is a better solution for my environment?
I have one question on MVIEWS.....
Where the logs will be logged for all the materialized views transactions (I mean a particular table)?
Is there any Data Dictionary Table were i can find this .
I am confused to see one materialized view is not refreshing automatically, whereas the same thing I can do manually.
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BEGIN
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gname => 'hr_test_repg');
END;
/
4-add tables test1 and test2 to the group
BEGIN
DBMS_REPCAT.CREATE_MASTER_REPOBJECT(
gname => 'hr_test_repg',
type => 'TABLE',
oname => 'test1',
[code]....
I could create DBMS_REPCAT.GENERATE_REPLICATION_SUPPORT for test2 but not for test1 and it produces error
RROR at line 1:
RA-23309: object hr.test1 of type TABLE exists
RA-06512: at "SYS.DBMS_SYS_ERROR", line 105
RA-06512: at "SYS.DBMS_REPCAT_MAS", line 2552
RA-06512: at "SYS.DBMS_REPCAT", line 562
RA-06512: at line 2
