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I have tried:
use information_schema
update referential_constraints set delete_rule='cascade';
but got the following error:
ERROR 1044 (42000): Access denied for user ‘root’@’localhost’ to database ‘information_schema’
I have all privileges.
Information_schemais exactly that: information. It reports on the the objects in your databasesTo changes the object in your database you need to run ALTERs on them. You can’t do it via the
Information_schemaviews