To schedule a refresh that occurs periodically, useEVERYsyntax. IfEVERYsyntax is specified, thestreaming tableormaterialized viewis refreshed periodically at the specified interval based on the provided value, such asHOUR,HOURS,DAY,DAYS,WEEK, orWEEKS. The following table lists accepted integer values ...
若要详细了解如何计划刷新,请参阅示例或ALTER MATERIALIZED VIEW。 具体化视图只能使用 Pro 或无服务器 SQL 仓库创建或在 Delta Live Tables 管道中创建。 备注 无服务器 Delta Live Tables 管道支持对具体化视图和流式处理表进行的创建和刷新操作。 可以使用目录资源管理器在 UI 中查看有关支持管道的详细...
Syntax create_materialized_view::= Description of the illustration create_materialized_view.eps (scoped_table_ref_constraint::=, physical_properties::=, materialized_view_props::=, physical_attributes_clause::=, create_mv_refresh::=, evaluation_edition_clause::=, query_rewrite_clause::=, subq...
Syntax CREATE MATERIALIZED VIEW mv_name [ BACKUP { YES | NO } ] [ table_attributes ] [ AUTO REFRESH { YES | NO } ] AS query Parameters BACKUP A clause that specifies whether the materialized view should be included in automated and manual cluster snapshots. For materialized views tha...
Syntax 引數 備註 擁有權 顯示其他 4 個 適用於:Azure Synapse Analytics 此文章說明 Azure Synapse Analytics 中用於開發解決方案的 CREATE MATERIALIZED VIEW AS SELECT T-SQL 陳述式。 此文章也提供程式碼範例。 具體化檢視會保存從檢視定義查詢傳回的資料,並在底層資料表中的資料變更時自動取得更新。...
Syntax .create[async] [ifnotexists]materialized-view[with(PropertyName=PropertyValue,...)]MaterializedViewNameon tableSourceTableName{Query} Learn more aboutsyntax conventions. Parameters NameTypeRequiredDescription PropertyName,PropertyValuestringList of properties in the form of name and value pairs, fr...
Syntax CREATE MATERIALIZED VIEW mv_name [ (column_name [, ...] ) ] [ WITH ( {storage_parameter = value} [, ... ] ) ] [ TABLESPACE tablespace_name ] AS query [ WITH [ NO ] DATA ]; Parameter Description mv_name Name (optionally schema-qualified) of the materialized view to be ...
As such, avoid referring directly to sensitive fields and values in view definitions. db.createCollection() Syntax db.createCollection( "<viewName>", { "viewOn" : "", "pipeline" : [<pipeline>], "collation" : { <collation> } } )db.create...
For more information about the parameters in the syntax, seeCREATE MATERIALIZED VIEW LOG. Example Create a table namedtest_tbl1. CREATE TABLE test_tbl1 (id NUMBER, name VARCHAR2(20), age NUMBER, PRIMARY KEY(id, age)) PARTITION BY HASH(age) PARTITIONS 10; ...
CREATE MATERIALIZED VIEW Doesn’t Exist In MySQL But, there is no MySQL syntax for creating materialized views. You cannot say CREATE MATERIALIZED VIEW `user_stats` AS SELECT * FROM `DB-1`.USERS WHERE ... UNION SELECT * FROM `DB-2`.USERS WHERE ... UNION ... There are no materialized...