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

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* FROM t_view_iud1; CREATE VIEW gaussdb=# CREATE VIEW vt_wco AS SELECT * FROM t_view_iud1 WHERE x > 5 WITH CHECK OPTION; CREATE VIEW --通过information_schema

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INTO t_view_iud1 VALUES (11, 11); INSERT 0 1 gaussdb=# CREATE VIEW vt AS SELECT * FROM t_view_iud1; CREATE VIEW gaussdb=# CREATE VIEW vt_wco

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

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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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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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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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REPLACE ] [ TEMP | TEMPORARY ] VIEW view_name [ ( column_name [, ...] ) ] [ WITH ( {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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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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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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取值范围：字符串，符合标识符命名规范。 view_option_name [= view_option_value] 该子句为视图指定一个可选的参数。 目前view_option_name支持的参数仅有security_barrier，当VIEW试图提供行级安全时，应使用该参数。 取

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如何绘制业务架构图？ 业务架构图支持查看、编辑、复制、删除、导出和重命名。 操作步骤 登录管理控制台。 选择“服务列表 > 管理与监管 > 优化顾问”优化顾问服务页面。 左侧导航树选择“架构设计”。 部署架构列表中选择一个架构图，鼠标放在架构图卡片上，可以对架构图进行查看、重命名、导出、复制和删除操作。

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openGauss=# DROP MATERIALIZED VIEW my_mv; 相关链接 ALTER MATERIALIZED VIEW，CREATE INCREMENTAL MATERIALIZED VIEW，CREATE MATERIALIZED VIEW，CREATE TABLE，REFRESH

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CREATE VIEW语句 语法定义 CREATE VIEW [IF NOT EXISTS] view_name [{columnName [, columnName ]* }] [COMMENT view_comment] AS query_expression 功能描述

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CREATE VIEW语句 语法定义 CREATE VIEW [IF NOT EXISTS] view_name [{columnName [, columnName ]* }] [COMMENT view_comment] AS query_expression 功能描述

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DROP MATERIALIZED VIEW my_mv; 相关链接 ALTER MATERIALIZED VIEW，CREATE INCREMENTAL MATERIALIZED VIEW， CREATE MATERIALIZED VIEW，CREATE TABLE，REFRESH

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MATERIALIZED VIEW，CREATE INCREMENTAL MATERIALIZED VIEW，CREATE MATERIALIZED VIEW，CREATE TABLE，REFRESH INCREMENTAL MATERIALIZED VIEW，REFRESH MATERIALIZED

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MATERIALIZED VIEW，CREATE INCREMENTAL MATERIALIZED VIEW， CREATE MATERIALIZED VIEW，CREATE TABLE，REFRESH INCREMENTAL MATERIALIZED VIEW，REFRESH MATERIALIZED

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