relational model

A full justification of the relational model was given in Section 3.6.

In the relational model these are the tables and views.

This is not true of the relational model itself.

It had limited facilities but implemented a true relational model.

Focuses on databases, the relational model and computer language design.

We will now introduce some of the terminology associated with the relational model.

In the relational model, a set of tuples, otherwise known as a table.

In the relational model, some bit of information was used as a "key", uniquely defining a particular record.

A conceptual framework might, in computing terms, be thought of as a relational model.

The relational model can be derived from data analysis.

The most popular example of a database model is the relational model.

Maier established some of the earliest results on using the relational model.

The multidimensional structure is similar to the relational model.

This gives the relational model advantages over other models, The language reflects the design of the system.

This is a specific case of the relational model concept of access plans.

The relational model, for example, defines operations such as select (project) and join.

Traditionally databases have been designed with the relational model.

The tuple with labeled elements used in the relational model has a record type.

The relational model is stressed in this text for a number of reasons:

This tabular format is a precursor to the relational model.

In the relational model, this is a runtime operation.

For the relational model it is a requirement that each part of a tuple be atomic.

The relational model was described in Chapter 3 and therefore it is not proposed to repeat this description here.

A set consists of a one-to-many relationship between two record types (relations in the relational model).

Rule 4: Active online catalog based on the relational model: