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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Su, Xiaomeng <suxiaomeng1@huawei.com> Co-committed-by: Su, Xiaomeng <suxiaomeng1@huawei.com>
1.7 KiB
1.7 KiB
CREATE VIEW
Function
This statement creates a view based on the given query statement. If a view with the same name already exists in the database, an exception is thrown.
Syntax
CREATE [TEMPORARY] VIEW [IF NOT EXISTS] [catalog_name.][db_name.]view_name
[{columnName [, columnName ]* }] [COMMENT view_comment]
AS query_expression
Description
TEMPORARY
Create a temporary view with catalogs and database namespaces and overwrite the original view.
IF NOT EXISTS
If the view already exists, nothing happens.
Example
Create a view named viewName.
create view viewName as select * from dataSource
Parent topic: Data Definition Language (DDL)