view log

Oracle Normal view and solid view comparisonSource: Rank Blog | 2013-07-30 Oracle Normal and solid views compared to normal views, the entity view differs in that the manifested view manages the stored data, occupying the physical space of the

Oracle automatically clears logs in the materialized view. Oracle determines when to delete the materialized view log based on the registration information on the base table of the Materialized View and the refresh of the materialized view. The

Materialized view of Http://www.cnblogs.com/Ronger/archive/2012/03/28/2420962.htmlOracleIn the near future, according to the project business needs to the Oracle materialized view has the contact, searches on the net on this aspect information,

Rapid refresh of materialized views (1) Materialized views can be refreshed in three ways: complete, fast, and force. Complete refresh deletes all records in the table (if a single table is refreshed, truncate may be used), and then generates a

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 (

Compared with the general views, the general views and materialized views of Oracle differ from the general views in that the materialized views manage stored data and occupy the physical space of the database. The results of the materialized view

Recently, I have seen some articles about Oracle materialized views, which are integrated and detailed for memo: The previous version of MaterializedView is called SNAPSHOT ), renamed The Materialized View From 9i. In fact, both snapshots and

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

First, materialized view overviewThe materialized view of Oracle is a database pair image 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.

/*Oracle materialized View*//*Why use materialized views?Materialized views are widely used as a means of SQL tuning in a data warehouse environment.A large number of long query statements, poor processing, will cause serious I/O problems.*//*What

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 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

Original Url:http://lzfhope.blog.163.com/blog/static/636399220124942523943/?suggestedreading&wumiiEnvironment Oracle 10g 10.2.0.4 Linux 64See Oracle's own documentation-sql reference for a large and professional look.To tell the truth, Oracle needs

A materialized view is a database object that contains a query result. It is a local copy of remote data or is used to generate a summary table based on the sum of data tables. Materialized View stores data based on remote tables, also known as

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

Materialized View creation Syntax:CREATE materialized VIEW PCTFREE --Storage Parameterspctused --Storage ParametersTablespace --Table SpaceBUILD immediate| deferred--How to createenable| DISABLE query rewrite--support for querying overridesREFRESH

oracle| View 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

The quick refresh mechanism of Oracle materialized view is completed by materialized view logs. How can Oracle quickly refresh multiple materialized views through a materialized view log? This article briefly describes the refresh principle. For

In real work, there will be multiple data sources synchronized to a database to complete the data analysis of the scene, the data can not be synchronized in real-time, we generally through the scheduled task of extracting data to the statistical

Materialized views are similar to indexes in many aspects: materialized views are used to improve query performance, while materialized views are transparent to applications, adding or deleting materialized views does not affect the correctness and