Romber

Database tables

Item Instances

• Purpose
• Definition
• Constraints
• Load

Purpose

This table provides a list of valid item instances.

Definition

Source romber_item_instances_tbl.sql

create table romber_item.instances (
  item_instance_id              romber_item.instance_id not null
                                  default nextval ( 'romber_base.generic_id_seq' ) );

Constraints

Source romber_item_instances_pk.sql

alter table romber_item.instances
  add constraint romber_item_instances_pk
    primary key ( item_instance_id );

Source romber_item_instances_fk1.sql

alter table romber_item.instances
  add constraint romber_item_instances_fk1
    foreign key ( item_instance_id )
    references romber_meta.objects ( meta_object_id );

Load

Source romber_item_instances_load.sql

insert into romber_item.instances ( item_instance_id )
  values ( 0 );