How do I monitor the actual refresh of materialized view.
Hi See below,
I am creating the materialized view.
It took a while to see the actual data in the table. Do you any reason.
How do I, investigate, if there is any issue, how do I monitor the actual refresh.
I am worried since, it look long time to see the actual data, after creating the materialized view.
SQL> @"ee_grant_details_mview.sql.bkp"
Snapshot dropped.
Snapshot created.
SQL>
select count(*) from grant_details_mview;SQL>
COUNT(*)
0
SQL> select count(*) from grant_details_mview;
COUNT(*)
0
SQL> commit;
Commit complete.
SQL> select count(*) from grant_details_mview;
COUNT(*)
0
SQL> select count(*) from grant_details_mview;
COUNT(*)
0
SQL> select count(*) from grant_details_mview;
COUNT(*)
0
SQL> select count(*) from grant_details_mview;
COUNT(*)
0
SQL> select count(*) from grant_details_mview;
COUNT(*)
344466
SQL>
During the initial building of the materialized view, the data is not available to users until the refresh completes.
If you are talking about subsequent refreshes, you have a few options
- Can the materialized view be made fast refreshable?
- If not, can you put the materialized view be put into a refresh group? This will increase the time required to refresh, since Oracle would be deleting and inserting rather than truncating and inserting, but the old data will remain available for users until the refresh completes.
Note that the Replication or Database - General forums might be more appropriate for this sort of question. You may want to move further discussion to one of those forums.
Justin
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