When a materializedview is fast refreshed, Oracle must examine all of the changes to the mastertable or master materialized view since the last refresh to see if any apply tothe materialized view. Therefore, if
When a materializedview is fast refreshed, Oracle must examine all of the changes to the mastertable or master materialized view since the last refresh to see if any apply tothe materialized view. Therefore, if any changes were made to the master sincethe last refresh, then a materialized vie...
Oracle Database Data Warehousing Guide for information about the prerequisites that apply to creating data warehousing materialized views Syntax create_materialized_view::= Description of the illustration create_materialized_view.eps (scoped_table_ref_constraint::=, physical_properties::=, materialized...
This chapter discusses materialized view syntax, its different types of materialized views, and finally tools used for analysis and management of materialized views. A materialized view can be used to create a physical copy of data. The benefit of using the materialized view when reading a data...
When you drop a materialized view, Oracle Database does not place it in the recycle bin. Therefore, you cannot subsequently either purge or undrop the materialized view. Note: The keywordSNAPSHOTis supported in place ofMATERIALIZEDVIEWfor backward compatibility. ...
I am trying to create this MView for a PeopleSoft CRM project. Oracle 10.2.0.4 The A table has 480,000 rows, but only 100 of them meet the A.RA_OFFER_ID...
The DDL syntax is consistent with PostgreSQL and Oracle. Create materialized views First, you need to decide what kind of materialized view to create according to the characteristics of your query statement. That is not to say, however, that it is best that your materialized view definition is...
Note how both the old and the new values are stored in the same column, VAL. The OLD_NEW$$ column identifies the value as either an old or a new value. Gotcha - Commas The syntax diagrams for theCREATE MATERIALIZED VIEW LOGcommand indicate a comma is required between each component of ...
REFRESH MATERIALIZED VIEW,PolarDB:This article introduces the syntax, parameters, and examples of REFRESH MATERIALIZED VIEW. REFRESH MATERIALIZED VIEW completely replaces the contents of a materialized view. To execute this command yo...
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