首页 > Linux操作系统 > Linux操作系统 > Oracle 禁止删除用户
CREATE OR REPLACE TRIGGER save_our_db_user
BEFORE drop
ON database
BEGIN
IF ora_dict_obj_type IN ('USER') AND (sys_context('USERENV', 'HOST') not IN ('paynode1','paynode1')) THEN
raise_application_error(num => -20003, msg => 'you can not allow to DROP USER ' || ora_dict_obj_name || '!');
END IF;
END ;
/
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