![]() The following examples create views that reference a table in the same database as the view. Refer to the Permission Matrix for the required permission. Refer to Database Object Case-Sensitivity for more information. The following note applies when the engine variable table_ name_ case_ sensitivity is set to OFF: After you create a view, you cannot create another view having the same view name with a different case. By default, SCHEMA_ BINDING is set to OFF. When SCHEMA_ BINDING is set to ON, objects referenced by the view cannot be dropped if the view exists you would need to drop the view before dropping these objects. The DEFINER clause tells SingleStoreDB Cloud which user should be used for security checks when a view is referenced by a query. I have 4 SQL queries that fetch data from the same table and I was wondering whether you can create a view containing multiple queries. FROM view_ name, not when the view is created. FROM view_ name.Īny function (including CURRENT_ USER() and NOW()) used in a view are evaluated during execution of SELECT. It is important to consider this distinction if table_ name is altered between the execution of CREATE VIEW and SELECT. will replace * with the column names at the time of CREATE VIEW execution rather than during execution of SELECT. Views can reference views or tables from other databases.ĬREATE VIEW view_ name AS SELECT * FROM table_ name. In MySQL terms, this is the equivalent of including DEFINER = CURRENT_ USER and SQL SECURITY DEFINER in the CREATE VIEW statement. To modify an existing view, use ALTER VIEW.īy default, SingleStoreDB Cloud restricts the ability to CREATE, ALTER, or SELECT from the view to the user who created the view and to SUPER users. SingleStoreDB Cloud does not support MySQL’s CREATE OR REPLACE VIEW syntax. Refer to the permissions matrix for details. The following permissions apply to views: SELECT, CREATE VIEW, ALTER VIEW, DROP VIEW, SHOW VIEW The SELECT permission on the view is required to query it. Permissions: The user who created the view is granted the ability to CREATE, ALTER, and SELECT from the view. ![]() Instead, use ALTER VIEW or manipulate data directly in the underlying tables from which the view is constructed. Attempts to INSERT, UPDATE, or DELETE data in a view will result in an error. Views in SingleStoreDB Cloud are not writable. Master Aggregator High Availability After Availability Zone Failure.Operations that Take Either a Database or a Workspace Level Lock. ![]() Getting Started with SingleStoreDB Cloud.
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