榜单
服务器优惠
AI论文
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CREATE VIEW
CREATE VIEW description example keyword CREATE VIEW description 该语句用于创建一个逻辑视图 语法： CREATE VIEW [ IF NOT EXISTS ] [ db_name .] view_name ( column1 [ CO... -
ALTER VIEW
ALTER VIEW description example ALTER VIEW description This statement is used to modify the definition of a view Syntax : ALTER VIEW [ db_name .] view_name ... -
DROP VIEW
DROP VIEW description example keyword DROP VIEW description 该语句用于删除一个逻辑视图 VIEW 语法： DROP VIEW [ IF EXISTS ] [ db_name .] view_name ; example 1. 如果存在，删除... -
CREATE VIEW
CREATE VIEW description example keyword CREATE VIEW description 该语句用于创建一个逻辑视图 语法： CREATE VIEW [ IF NOT EXISTS ] [ db_name .] view_name ( column1 [ CO... -
SELECT (View)
SELECT (View) Synopsis Notes Examples SELECT (View) Get a record from the specified view. The fields to get have to be already in the view. It produces one or zero static rec... -
CREATE VIEW
CREATE VIEW Description example keyword CREATE VIEW Description This statement is used to create a logical view Grammar : CREATE VIEW [ IF NOT EXISTS ] ... -
ALTER VIEW
ALTER VIEW description example ALTER VIEW description This statement is used to modify the definition of a view Syntax : ALTER VIEW [ db_name .] view_name ... -
CREATE VIEW
描述 格式 参数解释 示例 描述 该语句用于创建视图语句，如果指定了 OR REPLACE 子句，该语句能够替换已有的视图。 视图在数据库中实际上并不是以表的形式存在，每次使用时他们就会派生。视图是通过 CREATE VIEW 语句中指定的 SELECT 语句的结果生成的。 支持可更新视图。 格式 create_view_stmt :... -
Materialized View
Materialized View Materialized-view-maintenance Materialized-view-selection Materialized View To use this Apache Druid feature, make sure to only load materialized-view-selec... -
Materialized View
Materialized View Materialized-view-maintenance Materialized-view-selection Materialized View To use this Apache Druid feature, make sure to only load materialized-view-selec...