To add and remove a Primary Key from an Access database table, follow the methods below. 1] How to remove the default Primary key from Access Table Open the database that you want to alter.

Cascading referential integrity constraints are foreign key constraints that tell SQL Server to perform certain actions when a primary key field in a primary key-foreign key relationship is ...

The Department ID is the primary key in the Department table that appears as a foreign key in the Teacher table to link the two. Next up. Test your understanding. Previous page. Field types.

When working on a multidimensional design, every fact table within scope should be handled with care. In an ideal world, each low-level fact table represents the metrics related to a business event.

The column (field) in a relational database that uniquely identifies the row in the table. For example, account number is often a primary key. A "composite primary key" or "super key" is made up ...

The system creates surrogate key values when you create the new record, so the primary key value exists as soon as the record does. 6: No duplicate records are allowed A normalized table can’t ...