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.
2013-06-17 (first published: 2013-05-30)
1,143 reads
Foreign Keys (FK)
2013-04-24
2,070 reads
Rename Foreign Key Constraints
Rename Foreign Key Constraints in a consistent manner. Ideal for preventing constraint errors during code promotion.
2018-04-13 (first published: 2013-03-19)
1,361 reads
2012-10-23
2,167 reads
2012-10-12 (first published: 2012-09-10)
1,796 reads
2012-05-18
2,994 reads
2011-10-25
2,471 reads
Check if Constraint is enabled or disabled
This is a script to find all constraints and check if they are enabled or disabled.
2011-11-10 (first published: 2011-10-12)
7,724 reads
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.
2011-10-10
5,807 reads
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?
2011-05-03
4,940 reads
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Forums
Database file shrink issue.
Hi experts, I have a 3+ TB database on a 2019 sql server which...
The North Star for the Year
Comments posted to this topic are about the item The North Star for the...
Multiple Escape Characters
Comments posted to this topic are about the item Multiple Escape Characters
Question of the Day
Multiple Escape Characters
In SQL Server 2025, I run this code (in a database with the appropriate collation):
SELECT UNISTR('%*3041%*308A%*304C%*3068 and good night', '%*') AS 'A Classic';
What is returned? See possible answers