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How to change default schema in Oracle Database?
If the list of users isn’t too long, you can create a database logon trigger so you don’t have to create that trigger for each user: Of course the list of users where you want to change the default schema, can also be taken from a table.
What do I need to create a subview in Oracle?
To create a subview, you must have the UNDER ANY VIEW system privilege or the UNDER object privilege on the superview. The owner of the schema containing the view must have the privileges necessary to either select ( READ or SELECT privilege), insert, update, or delete rows from all the tables or views on which the view is based.
How to create a view in another user’s schema?
To create a view in another user’s schema, you must have the CREATE ANY VIEW system privilege. You can acquire these privileges explicitly or through a role. The owner of the view (whether it is you or another user) must have been explicitly granted privileges to access all objects referenced in the view definition.
How to create objects in a schema in PLSQL?
Here is an example of how we might grant those system privileges: These new privileges are now granted to the user called smithj. Now that the schema (called smithj) has been created with the necessary privileges, you can create objects in the schema. This can be done one of 2 ways: Executing individual SQL statements to create each object.
Can a schema owner change the current user?
In order for an application user (APP_USER) to use another schema (SCHEMA_OWNER) without the need for prefixing queries with the schema name, I have implemented a logon trigger that changes the session parameter CURRENT_USER. This works fine except for sequences. When I do either of
How to set default schema in SQL data warehouse?
To change the target login of a user requires the CONTROL permission on the database. To change the user name of a user having CONTROL permission on the database requires the CONTROL permission on the database. To change the default schema or language requires ALTER permission on the user. Users can change their own default schema or language.
What happens if two users have the same default schema?
You may come across or even inherit a system where many of the users have different default schemas. This can cause multiple problems, including being unable to access certain objects, potentially accessing the wrong objects, and two users can even generate multiple copies of the same plan for the same query.