syntaxsql 複製 CREATE MATERIALIZED VIEW [ schema_name. ] materialized_view_name WITH ( <distribution_option> ) AS [;] <distribution_option> ::= { DISTRIBUTION = HASH ( distribution_column_name ) | DISTRIBUTION = HASH ( [distribution_column_name [, ...n]] ) | DISTRIBUTION = ROUND...
Erstellen einer materialisierten Ansicht in SQL Um eine materialisierte Ansicht zu erstellen, musst du die CREATE MATERIALIZED VIEW Syntax verwenden, die sich in den verschiedenen SQL-Datenbanken leicht unterscheidet. Die folgenden Methoden zeigen, wie man materialisierte Ansichten in SQL Server, ...
, here is the sql statement (in postgresql syntax) we use to create a view that summarizes user purchases: sql create view user_purchase_summary as select u . id as user_id , count ( * ) as total_purchases , sum ( purchases . amount ) as lifetime_value from users u join purchases...
Uncover the power of PostgreSQL materialized view in this guide. Dive deep into optimization techniques and master the art of refreshing materialized views.
Example syntax tocreate a materialized view in oracle: CREATEMATERIALIZEDVIEWMV_MY_VIEW REFRESH FASTSTARTWITHSYSDATE NEXTSYSDATE+1 ASSELECT*FROM; Oracle usesmaterialized views to replicate data to non-master sites in a replication environmentand to cache expensive queries in a data warehouse environment...
ORA-00900: You have an error in your SQL syntax; check the manual that corresponds to your OceanBase version for the right syntax to use near ‘materialized view info_item_mv from select user_id, collect_item.item_id, item_d’ at line 1 ...
Syntax alter_materialized_view::= Text description of alter_materialized_view (physical_attributes_clause::=,data_segment_compression::=,LOB_storage_clause::=,modify_LOB_storage_clause::=,alter_table_partitioning-- part ofALTERTABLEsyntax,parallel_clause::=,logging_clause::=,allocate_extent_clause...
Transact-SQL 语法约定 语法 syntaxsql 复制 DBCC PDW_SHOWMATERIALIZEDVIEWOVERHEAD ( "[ schema_name . ] materialized_view_name" ) [;] 备注 Azure Synapse Analytics 中的无服务器 SQL 池不支持此语法。 参数 schema_name 视图所属架构的名称。 materialized_view_name 具体化视图的名称...
SQL Syntax DCL Syntax Overview DDL Syntax Overview DML Syntax Overview Other Syntax List A B C CALL CHECKPOINT CLEAN CONNECTION CLOSE CLUSTER COMMENT COMMIT | END COMMIT PREPARED COPY CREATE AGGREGATE CREATE AUDIT POLICY CREATE BARRIER CREATE CLIENT MASTER KEY ...
Syntax (physical_properties::=,scoped_table_ref_constraint::=,materialized_view_props::=,physical_attributes_clause::=,create_mv_refresh::=,subquery::=) physical_properties::= Description of the illustration physical_properties.gif (segment_attributes_clause::=,table_compression::=,index_org_table...