If the parameter is not included in the CREATE VIEW statement, then the new view does not inherit any explicit access privileges granted on the original view but does inherit any future grants defined for the object type in the schema. Update: Materialized views in SQL Server are called Indexed Views. A disabled materialized view can be refreshed. REFRESH COMPLETE: uses a complete refresh by re-running the query in the materialized view. The WITH REDUCED PRECISION clause allows for differences between the precision of the materialized view columns and the precision of the values returned by the subquery. Paramètres IF NOT EXISTS. Third, if you want to load data into the materialized view at the creation time, you put WITH DATA option, otherwise you put WITH NO DATA. If you specify this clause, you cannot subsequently execute a distributed transaction on any master table of this materialized view. Specifying the view owner name is optional. let’s discuss one by one. APPROX_COUNT_DISTINCT n’est pas pris en charge dans CREATE MATERIALIZED VIEW AS SELECT. Obviously it’s faster and more efficient. Une vue matérialisée ne peut pas référencer d’autres vues.A materialized view cannot reference other views. ALTER TABLE SWITCH n’est pas pris en charge sur les tables référencées dans les affichages matérialisés.ALTER TABLE SWITCH is not supported on tables that are referenced in materialized views. query: This is used after the AS keyword.This defines the statement which gets the records from the tables. You can enable query rewrite only if expressions in the statement are repeatable. A cluster materialized view uses the space allocation of the cluster. CREATE MATERIALIZED VIEW User1.Users_by_User_email AS SELECT User_email, User_password, User_address FROM User_information WHERE User_name IS NOT NULL AND User_email IS NOT NULL PRIMARY KEY (User_email, User_name ); To perform operation such that read data from materialized view used the following CQL query. mytest=# refresh materialized view concurrently mv_t1_t2 with data; ERROR: cannot refresh materialized view "public.mv_t1_t2" concurrently HINT: Create a unique index with no WHERE clause on one or more columns of the materialized view. This clause lets you schedule the times and specify the method and mode for the database to refresh the materialized view. The system persistently stores the view. Une vue matérialisée dans l’entrepôt de données Azure est similaire à une vue indexée dans SQL Server. If you omit both ON COMMIT and ON DEMAND, ON DEMAND is the default. The process of setting up a materialized view is sometimes called materialization.   Partition SPLIT/MERGE are supported on materialized views base tables, partition SWITCH isn't supported. Specify FORCE to indicate that when a refresh occurs, Oracle Database will perform a fast refresh if one is possible or a complete refresh if fast refresh is not possible. sys.pdw_materialized_view_mappings (Transact-SQL) sys.pdw_materialized_view_mappings (Transact-SQL) CREATE MATERIALIZED VIEW mv_sales_vw as select salesid, qtysold, pricepaid, commission, saletime from public.sales union all select salesid, qtysold, pricepaid, commission, saletime from spectrum.sales The following example creates a materialized view mv_fq based on a federated query external table. single-table materialized aggregate views, Restrictions on Index-Organized Materialized Views, Restriction on Cluster Materialized Views, Restriction on Primary Key Materialized Views, Restrictions on the Defining Query of a Materialized View, Creating Materialized Aggregate Views: Example, Creating Materialized Join Views: Example, Creating Prebuilt Materialized Views: Example, Creating Subquery Materialized Views: Example, Creating Primary Key Materialized Views: Example, Creating Rowid Materialized Views: Example, Periodic Refresh of Materialized Views: Example, Automatic Refresh Times for Materialized Views: Example, Creating a Fast Refreshable Materialized View: Example, Creating a Nested Materialized View: Example, Description of the illustration create_materialized_view.gif, Description of the illustration physical_properties.gif, Description of the illustration materialized_view_props.gif, Description of the illustration scoped_table_ref_constraint.gif, Description of the illustration index_org_table_clause.gif, Description of the illustration key_compression.gif, Description of the illustration index_org_overflow_clause.gif, Description of the illustration create_mv_refresh.gif, Description of the illustration segment_attributes_clause.gif, Description of the illustration physical_attributes_clause.gif, Description of the illustration logging_clause.gif, Description of the illustration table_compression.gif, Description of the illustration column_properties.gif, Description of the illustration object_type_col_properties.gif, Description of the illustration substitutable_column_clause.gif, Description of the illustration nested_table_col_properties.gif, Description of the illustration varray_col_properties.gif, Description of the illustration LOB_storage_clause.gif, Description of the illustration LOB_parameters.gif, Description of the illustration LOB_partition_storage.gif, Description of the illustration parallel_clause.gif, Description of the illustration build_clause.gif, "Creating Prebuilt Materialized Views: Example", "Periodic Refresh of Materialized Views: Example", "Automatic Refresh Times for Materialized Views: Example", "Creating Primary Key Materialized Views: Example", "Creating Materialized Aggregate Views: Example", "Creating Rowid Materialized Views: Example", "Creating Materialized Join Views: Example", "Creating Subquery Materialized Views: Example", "Creating a Nested Materialized View: Example", "Creating a Materialized View Log: Examples", "Specifying Filter Columns for Materialized View Logs: Example", "Specifying Join Columns for Materialized View Logs: Example". 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Sont prises en charge conformer aux règles applicables aux identificateurs.View names must follow the rules for.. Dã©Sormais moins d’une seconde, sans qu’elle doive subir de modification the view_name after the as keyword specify or! Dont l’exécution prenait habituellement plusieurs secondes dure désormais moins d’une seconde, sans qu’elle doive de! Master master specifies the remote master site for the first automatic refresh time download_daily_mv ’ the private table disappears refreshes...