refresh materialized view

In Oracle, jobs regularly execute stored procedures to refresh the materialized view and record exceptions (My materialized view cannot be refreshed by myself) In Oracle, jobs regularly execute stored procedures to refresh the

materialized views. Typically, a materialized view is called a primary table (during replication) or a schedule (in a data warehouse). For replication, materialized views allow you to maintain a copy of remote data locally, which is read-only. If you want to modify the local copy, you must use the Advanced Copy feat

Materialized views in Oracle A materialized view is a database pair that includes a query result, which is a local copy of the remote data, or is used to generate a summary table based on the sum of the data tables. Materialized views store data that is based on remote tables, or it can be called snapshots.

Materialized View is a special physical table. The Materialized view is relative to a common view. A common view is a virtual table, which has many application limitations. Oracle converts any

Document directory Timing The Refresh Summary A materialized view is a database object that contains the results of a query. they are local copies of data located remotely, or are used to create summary tables based on aggregations of a table's data. materialized views, which store data based on remote tables are

Oracle jobs regularly execute stored procedures to refresh materialized views and record exceptions In Oracle, jobs regularly execute stored procedures to refresh the materialized view and record exceptions (My materialized

Create materialized view [view_name] refresh [Fast|complete|force] [on [Commit|demand] | Start with (start_time) next (next_time) ] as {Create a query statement for materialized views} These are the common syntax for Oracle to create materialized views (

, the limitations of the fast refresh of the three materialized views are very different, while others are not very significant. http://baike.baidu.com/view/3208435.htm My understanding is a view of the data stored in the table, he is only nominally called the view,

Materialized View is a special physical table. The Materialized view is relative to a common view. A common view is a virtual table, which has many application limitations. Oracle converts any

In today's project, you need to create a materialized view for multi-table join and refresh it once every two minutes. Solution to Oracle ORA-02063 errors: www. linuxidc. comLi In today's project, you need to create a materialized view for multi-table join and

Label: Materialized views are a special physical table, and the materialized view is relative to the normal view. The normal view is a virtual table, the limitations of the application are large, any query on the view, Oracle is a

The quick refresh mechanism of Oracle materialized view is completed by materialized view logs. How can Oracle quickly refresh multiple materialized views through a

efficiency is improved. Of course, you must enable the query rewrite option; Material View 1. There is a time difference between two databases for data synchronization. 2. If the database is remotely connected, the query speed is improved. (Because the query logic is complex and the data volume is large, the query speed is slow and the efficiency is low each time you query a view)

1. On demand: Use the stored procedures in the Dbms_mview package to enable manual refresh (default setting) refresh [Fast|complete|force] View refreshes: Complete: Refresh all. A query statement that is equivalent to performing a new view creation. Fast: Incremental

Cleanup of materialized view registration information The log cleanup of materialized views is performed automatically by Oracle. Oracle determines when the materialized view log is deleted based on the registration information on the Ma