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 updated or ...

The second INSERT statement will fail because the ride_id is a PRIMARY KEY, and 1 is already used in the table. Primary keys must be unique. 2. UNIQUE Constraint The UNIQUE constraint ensures that no ...

DEFAULT value constraints are applied to columns in history table. Which cause problems in subsequent migrations that affect those columns. Migration 1: Create table (single entity with a nullable ...