Re-Trust Untrusted Foreign Keys and Constraints

This script will attempt to re-trust untrusted foreign keys and will report counts of successes and failures.

FK to IDENTITY

Rename Foreign Key Constraints

Rename Foreign Key Constraints in a consistent manner. Ideal for preventing constraint errors during code promotion.

Duplicate Foreign Key

Find Foreign Keys

Lists the foreign keys between tables in the datavase,

Foreign key

Violating Foreign Keys

Check if Constraint is enabled or disabled

This is a script to find all constraints and check if they are enabled or disabled.

Holy Foreign Keys and Indexes

This article shows an interesting issue with foreign keys and how they are aligned with the base tables in SQL 2005 SP 4.

SQL Server Foreign Key Update and Delete Rules

Foreign key constraints are an integral part of SQL Server database design. These are used to maintain integrity among related data in different tables. While implementing update and delete operations on values in the parent table (referenced table with primary key) we have to consider the impact on related values in the child table. SQL Server provides different rules for managing the effect of updates and deletes on child table values. How can these rules be used effectively without threatening the relational integrity?