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The fast refresh mechanism for Oracle materialized views is done through materialized view logs. How Oracle can support a fast refresh of multiple materialized views through a materialized
ORA-12034: The materialized view log on SCOTT. "USER_TABLE" is newer than the last refresh Recently, when I handed over my work, I found that several schedule jobs were not successfully executed. I have shown that one of them is due to database migration, if the IP address of the host that calls dblink is not changed in tnsnames, an error cannot be reported in
An Introduction to materialized views: Http://blog.csdn.net/tianlesoftware/article/details/4713553 On Lao Yang's blog, I saw some column descriptions, sorted them out, and reproduced them. The original Article link is as follows: Rapid refresh of materialized views (1) Http://yangtingkun.itpub.net/post/468/14245 Rapid refr
Tags: order must be upd submit effective and ant ext also needPossible causes for Oracle materialized view refresh failure: 1. View does not establish materialized view log 2. The base table is authorized to the user 1.
I. Problem description a project team calls and says there is a materialized view with more than 20 thousand entries in the source table, which is refreshed every 5 minutes, this causes a sudden increase in Oracle Database archive logs. Ii. Problem Analysis and Solution first, clarify the relationship between Archive Log and REDO Log. Oracle redo logs are a set of (or several groups) files that are written
The materialized view is like a real table for front-end database users. It has the same select operations as general tables, but it is actually a view, A view that is regularly refreshed by the system (the specific refresh time is defined when the
The materialized view log in 11.2 can specify the commit SCN, when materialized view refreshes do not require a timestamp, a simple description of how Oracle implements the refresh through the commit SCN. Establish a test environment: Sql> SELECT * from V$version; BANNER
ORA-12052, unable to establish a quick refresh materialized view solution Sql> CREATE materialized VIEW mv_vcard_last_hlrlist refresh fast asSelect Vcard.username,Vcard.nick_name,vcard.pcode,hlrlist.region,Vcard.birth_year, Vcard.
How can I kill a suspended automatic Materialized View to refresh the job? Reference Original:How to kill a hung automated materialized view refresh job (Document ID 341842.1) Applicable:Oracle Server-Enterprise Edition-versio
Batch refresh remote materialized view (standby) 1. create a remote database connection create database link MDM connect to MDM identified by mdm using '(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (Host = 172.17.11.1) (PORT = 1521) (CONNECT_DATA = (SERVER = DEDICATED) (SID = MDM) '; 2. Create two materialized
Oracle Stored Procedure refresh materialized view SQL: Create or replace package body REFRESH_MVIEW IS -- Author: 241433-- Created: 4:25:04-- Purpose: This PKG is for REFRESH MVIEW -- Public type declarationsCONS_BCR_LIST VARCHAR2 (40): = 'wb_ui_block_list_all_vw ';CONS_BCR_LIST_QUERY VARCHAR2 (40): = 'wb_ui_block_list
Oracle materialized view code example, oracle Materialized View Materialized View of Oracle Recently, oracle materialized views have been updated based on the project business needs. Y
this object.The data in the materialized view comes from a certain time point of the base table (the creation time of the materialized view, or the refresh time). Therefore, it can be considered as a snapshot of the base table at all times.Similar to views,
the REFRESH method is different. As the name suggests, the REFRESH is performed only when the materialized view is refreshed, that is, the materialized view is updated, to ensure data consistency between the base table and the ba
materialized views. Materialized views can be partitioned. and partitioned materialized views can support zoning change tracking (PCT). Materialized views with this feature can still be entered when the base table is partitioned for maintenance operationsRow Quick refresh o
ORACLE materialized view and oracle Materialized View In the last few days, I have provided a View to the W System in the P project environment. Due to the complicated query logic and large data volume, the query speed is slow each time a
materialized view on a view, see materialized view based on a view----Create materialized View statements:(2). Create Materializad
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 materialized
called a master table (during replication) or a schedule (in a data warehouse ).For replication, materialized views allow you to locally maintain copies of remote data, which are read-only. To modify a local copy, you must use the advanced copy function. When you want to extract data from a table or view, you can extract data from the materialized view.For a dat
want to extract data from a table or view, you can extract data from the materialized view. For a data warehouse, the created materialized view is usually an aggregation view, a single table aggregation
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