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mysql - Why don't oracle support Updating multiple table in a single query?

is following sql valid ?

UPDATE suppliers, contacts
SET suppliers.status = 'Active',
    contacts.note = 'Also Supplier'
WHERE suppliers.supplier_id = contacts.contact_id;

but oracle is not supporting. why?

How to update two tables in one statement in SQL Server 2005?

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No, the sql supplied is NOT valid.

As others have stated in the comments, the link you supplied is a question about if you can update multiple tables in a single statement in SQL Server.
The answer to that question is also No


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