EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 1 2 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name [ = view_option_value

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CREATE VIEW 本章节介绍如何在ClickHouse中创建普通视图。 创建视图 CREATE VIEW [IF NOT EXISTS] [db.]view_name [ON CLUSTER ClickHouse集群名] AS SELECT ... 表1 参数说明 参数 说明

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REPLACE ] [ TEMP | TEMPORARY ] VIEW view_name [ ( column_name [, ...] ) ] [ WITH ( {view_option_name [= view_option_value]} [, ... ] ) ]

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设置视图的所属模式。 ALTER VIEW [ IF EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name

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1 2 ALTER VIEW [ IF EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 1 2 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name

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--创建视图a_view，这里视图不存在，相当于新建视图。 gaussdb=# CREATE OR REPLACE VIEW a_view AS SELECT * FROM a; --查看视图a_view。 gaussdb=# SELECT * FROM a_view; c1 |

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REPLACE ] [ TEMP | TEMPORARY ] VIEW view_name [ ( column_name [, ...] ) ] [ WITH ( {view_option_name [= view_option_value]} [, ... ] ) ]

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1 2 ALTER VIEW [ IF EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 1 2 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name

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REPLACE ] [ TEMP | TEMPORARY ] VIEW view_name [ ( column_name [, ...] ) ] [ WITH ( {view_option_name [= view_option_value]} [, ... ] ) ]

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设置视图的所属模式。 ALTER VIEW [ IF EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name

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REPLACE ] [ TEMP | TEMPORARY ] VIEW view_name [ ( column_name [, ...] ) ] [ WITH ( {view_option_name [= view_option_value]} [, ... ] ) ]

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CREATE VIEW 语法 CREATE [ OR REPLACE ] VIEW view_name [(column_name [COMMENT 'column_comment'][, ...])] [COMMENT 'view_comment'] [TBLPROPERTIES

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ALTER VIEW 语法 ALTER VIEW view_name AS select_statement; ALTER VIEW view_name SET TBLPROPERTIES table_properties; 描述 “ALTER VIEW view_name AS

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SELECT VIEW CONTENT 语法 SELECT column_name FROM view_name 描述 用于查询视图内容。 示例 SELECT * FROM test_view; 父主题： HetuEngine DQL SQL语法说明

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1 2 ALTER VIEW [ IF EXISTS ] view_name SET SCHEMA new_schema; 设置视图的选项。 1 2 ALTER VIEW [ IF EXISTS ] view_name SET ( { view_option_name

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--创建视图a_view，这里视图不存在，相当于新建视图。 gaussdb=# CREATE OR REPLACE VIEW a_view AS SELECT * FROM a; --查看视图a_view。 gaussdb=# SELECT * FROM a_view; c1 |

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CREATE VIEW 语法 CREATE [ OR REPLACE ] VIEW view_name [(column_name [COMMENT 'column_comment'][, ...])] [COMMENT 'view_comment'] [TBLPROPERTIES

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ALTER VIEW 语法 ALTER VIEW view_name AS select_statement; ALTER VIEW view_name SET TBLPROPERTIES table_properties; 描述 “ALTER VIEW view_name AS

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View对象的操作 查询标准页面列表 根据ID查询标准页面 父主题： 元数据

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CREATE VIEW语句 功能描述 根据给定的 query 语句创建一个视图。如果数据库中已经存在同名视图会抛出异常。 语法定义 CREATE [TEMPORARY] VIEW [IF NOT EXISTS] [catalog_name.][db_name.]view_name

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DROP MATERIALIZED VIEW 语法 DROP MATERIALIZED VIEW [IF EXISTS] view_name 描述 用于删除现有的物化视图。若删除的视图不存在，且指定了可选参数if exists，则不会抛出错误信息。 删除物化视图将导致删除与指定视图关联的元数据和表数据。

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