referential integrity

There is a lack of the concept of referential integrity.

Referential integrity concerns the concept of a foreign key.

This can reduce development time and ensure referential integrity.

This rule is called a referential integrity constraint between the two tables.

To maintain referential integrity, Joe's records must be removed from both person and pa.

Access tables support a variety of standard field types, indices, and referential integrity.

The notion of reference is also important in relational database theory; see referential integrity.

Hand-over can be for a part of all data, whilst maintaining full referential integrity.

Which method is used may be determined by a referential integrity constraint defined in a data dictionary.

The referential integrity rule states that any foreign-key value can only be in one of two states.

There are many types of integrity constraints that play a role in referential integrity.

For instance, deleting a record that contains a value referred to by a foreign key in another table would break referential integrity.

Tools can enforce referential integrity and perform static checks of the final system before deployment.

Data integrity is handled in a relational database through the concept of referential integrity.

The two principal rules for the relational model are known as entity integrity and referential integrity.

It has a network architecture for high-performance and referential integrity, but also allows purely relational systems to be built where required.

Referential integrity is enforced via cascading updates and deletes.

Model-to-model consistency concerns the referential integrity as well as high-level constraints of the system.

It checks rules of Referential integrity.

Virtuoso ensures that relationships between records in related tables are valid by enforcing referential integrity.

Constraints like referential integrity can be placed automatically on new data entered into the system and on updates to existing records.

So we have such facilities as cursors, and Ansi declarative referential integrity.

This partly a matter of making sure that soft references between models and code are not broken, similar to referential integrity in model-to-model consistency.

The application model defines entities (tables), fields, keys (indexes) and relationships together with referential integrity.

Custom mapping with referential integrity.