Примери за използване на Referential integrity на Английски и техните преводи на Български
{-}
-
Colloquial
-
Official
-
Medicine
-
Ecclesiastic
-
Ecclesiastic
-
Computer
Referential integrity cannot be enforced on linked tables.
Why create table relationships?Understanding referential integrity.
Steps in this section explain Referential Integrity, and how to perform both tasks.
Also, Access automatically enforces a set of rules called referential integrity.
If you enforce referential integrity for this relationship, the line appears thicker at each end.
Also, Access automatically enforces a set of rules called referential integrity.
In this case, we do NOT enable referential integrity- probably the only time we do this.
Use DRI Select Table relationships andUse DRI to use DRI to enforce referential integrity.
Referential integrity helps ensure that references stay synchronized and is dependent upon table relationships.
This relationship, created by Access,does not enforce referential integrity by default.
Referential integrity, which is dependent on table relationships, helps ensure that references stay synchronized.
Once enforced, Access rejects any operation that violates referential integrity for that table relationship.
Referential integrity helps ensure that references stay synchronized and is dependent upon table relationships.
Once enforced, Access rejects any operation that violates referential integrity for that table relationship.
Error text Enable Referential Integrity must be False if Allow Multiple Values is True for a lookup.
Once enforced, Access rejects any operation that violates referential integrity for that table relationship.
To enforce referential integrity for this relationship,select the Enforce Referential Integrity check box.
Excel lets you enter data in a more free-form manner, but because Excel does not support relational data,it cannot support referential integrity.
For example, if your Access table supports referential integrity, it is enforced in the list on the SharePoint site.
However, if the source tables are in Access format,you can open the database in which they are stored and enable referential integrity in that database.
Because PowerPivot does not enforce referential integrity, it is possible to have non-matching values in a key column and still create a relationship.
If you want to delete data from several related tables,you must enable the Referential Integrity and Cascade Delete Related Records options for each relationship.
You enforce referential integrity by enabling it for a table relationship(see Enforce referential integrity for step-by-step instructions).
You can decide how to upsize table relationships and referential integrity by using update, insert, or delete triggers, or by using Declared Referential Integrity(DRI).
If referential integrity is enforced, Access also displays a"1" above the join line to show which table is on the"one" side of a one-to-many relationship and an infinity symbol(∞) to show which table is on the"many" side.
Notes: If you have difficulty enabling referential integrity, note that the following conditions are required to enforce referential integrity.
The purpose of referential integrity is to prevent orphans and keep references in sync so that this hypothetical situation never occurs.
For more information about referential integrity, see the Understanding Referential Integrity and the Enforce Referential Integrity sections.
For relationships that enforce referential integrity between tables, the deletion of all related records in the related table or tables when a record in the primary table is deleted.
For relationships that enforce referential integrity between tables, the deletion of all related records in the related table or tables when a record in the primary table is deleted.