The application model defines entities (tables), fields, keys (indexes) and relationships together with referential integrity.
However, such a linking of archaeologically defined cultural entities with linguistic ones cannot be proven and it has been suggested that the increase of settlement finds in the period is more likely to have been associated with an economic boom related to the warming of climate.
These commands are used to define geometric entities, that is points, lines and surfaces which may be given symbolic names.
They are mainly used to define entities, and to specify the type of entity attributes and aggregate members.
However, this tool permitted defining entities and relationships and for defining properties upon both entities and relationships, which made it sufficient for building an EA repository, considering the technology available in early 2003.
It identified and defined entities, attributes, and relations.
Other communities have also defined territorial entities (e.g. comarcas or merindades), but these do not have administrative powers and are simply geographic or historical designations.
They fail to recognize that it must be founded on precise numbers of votes and of seats, and related to precisely defined entities, namely whole political parties.
Some clearly defined entities already exist, such as producers' organisations, their associations and interbranch bodies.
This greatly simplifies the process of defining new entities, since no boilerplate code needs to be written.