ALTER LINK

This command allows:

• to renamed existed link of any kind: Foreign Key, ObjectPtr, Binary Link.

vext_alter_link_statement
    :    ALTER LINK link_name alter_link_action

alter_link_action
    :    RENAME [AS] link_name
    |    ALTER referential_triggered_action_for_link

referential_triggered_action_for_link
    :    ON DELETE vext_referential_action_for_link

vext_referential_action_for_link
    :    RESTRICT | NO ACTION | CASCADE | NO CASCADE

In order to rename a Link from name1 to name2:

ALTER LINK name1 RENAME name2;