CREATE MATERIALIZED VIEW. A materialized view is a database object that contains the results of a query. The FROM clause of the query can name tables, views, and other materialized views. Collectively these objects are called master tables (a replication term) or detail tables (a data warehousing term). Materialized Views in Oracle. A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against a local or remote table. Using materialized views against remote tables is the simplest way to achieve replication of data between sites. Sep 19,  · I am opting for using flashback technology instead of MV now but wanted to understand any/all possible root causes. Some had been listed by Oracle in Replication trouble shooting - again it is difficult to handle without any access to the DB server. Thanks Andrew.

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materialized views in oracle 11gr2

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3 Materialized View Concepts and Architecture A materialized view is a replica of a target master from If one of your goals is to reduce network loads, Read-Only, Updatable, and Writeable Materialized Views. Available Materialized Views. Oracle offers several types of materialized views. Jan 14,  · 11gR2 materialized views fast refresh incorrect results and poor perf. [email protected]> set autotrace on [email protected]> SELECT 2 hotelcabreraimperial.com AS m_mk, 3 hotelcabreraimperial.com_col, 4 hotelcabreraimperial.com AS sub_pk, 5 hotelcabreraimperial.com AS sub2_pk, 6 hotelcabreraimperial.com AS m_rowid, 7 hotelcabreraimperial.com AS sub_rowid, 8 hotelcabreraimperial.com as sub2_rowid 9 FROM 10 mv_oj_test_m m, 11 mv_oj_test_sub sub, CREATE MATERIALIZED VIEW. A materialized view is a database object that contains the results of a query. The FROM clause of the query can name tables, views, and other materialized views. Collectively these objects are called master tables (a replication term) or detail tables (a data warehousing term). Materialized Views in Oracle. A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against a local or remote table. Using materialized views against remote tables is the simplest way to achieve replication of data between sites. Sep 19,  · I am opting for using flashback technology instead of MV now but wanted to understand any/all possible root causes. Some had been listed by Oracle in Replication trouble shooting - again it is difficult to handle without any access to the DB server. Thanks Andrew. May 10,  · Materialized Views in Oracle. A materialized view, or snapshot as they were previously known, is a table segment whose contents are periodically refreshed based on a query, either against a local or remote table. Using materialized views against remote tables is the simplest way to achieve replication of data between sites. Basic Syntax.Using materialized views against remote tables is the simplest way to achieve The full syntax description for the CREATE MATERIALIZED VIEW command is. This Book. Oracle® Database Advanced Replication 11g Release 2 () Determining the Fast Refresh Capabilities of a Materialized View. Multitier. Home / Database / Oracle Database Online Documentation 11g Release 1 () . All three types of materialized views can be used by query rewrite. Column, Datatype, NULL, Description. OWNER, VARCHAR2(30), NOT NULL, Schema in which the materialized view was created. MVIEW_NAME. Home / Oracle Database Online Documentation Library, 11g Release 2 () . A materialized view log is located in the master database in the same schema. Oracle materialized views are one of the single most important SQL tuning tools Oracle materialized views perform miracles in our goal to reduce repetitive I/O. . This book includes scripts and tools to hypercharge Oracle 11g performance. The CREATE MATERIALIZED VIEW statement creates a view of the table specified in the SelectQuery clause. The original tables used to create a view are . Required privilege on the materialized view log tables: No privilege is required for the owner of the materialized view log tables. SELECT ANY TABLE if not the. When you create a materialized view, Oracle Database creates one internal table and at least one index, and may create one view, all in the schema of the. Use [dba_|all_|user_]mview_logs. dba_mview_logs will show all the materialized view logs in the database but not everyone will have access to the dba_ views. -

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