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Feb 12, 2013 · You can certainly have a view that's built on top of another view: create table my_table (id number, name varchar2(20), address varchar2(30)); table MY_TABLE created. create or replace view my_view_1 as. select id, name. from my_table; view MY_VIEW_1 created. create or replace view my_view_2 as. select mv1.id, mv1.name, mt.address.
OpenJPA is an implementation of the Java Persistence API (JPA) for Apache, with a caching layer for database queries. However the caching performance is poor when an application includes write transactions, because the OpenJPA cache-invalidation mechanism is...
Jan 1, 2009 · Request PDF | On Jan 1, 2009, Tim Blackman and others published Scalable data storage in project Darkstar | Find, read and cite all the research you need on ResearchGate
The second is self-sovereign identity.To explain that, let me ask who and what you are. If your answers come from your employer, your doctor, the Department of Motor Vehicles, Facebook, Twitter or Google, they are each administrative identifiers: entries in namespaces each of those organizations control, entirely for their own convenience.
Я думаю, что у вас есть несколько терминов, смешанных здесь. Все ваши данные попадают в одну базу данных (так называемую схему).
