Foreign Keys (FK)

External Article

SQL Server Foreign Key Update and Delete Rules

  • Article

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

Blogs

Using Prompt AI for a Travel Data Analysis

By

I was looking back at my year and decided to see if SQL Prompt...

FinOps for Kubernetes: Leveraging OpenCost, KubeGreen, and Kubecost for Cost Efficiency

By

In the era of cloud-native applications, Kubernetes has become the default standard platform for...

2025 Wrapped for Steve

By

I’ve often done some analysis of my year in different ways. Last year I...

Read the latest Blogs

Forums

reaching ftp thru winscp but erroring in ssis ftp task connection

By stan

Hi, below i show various results trying to reach our ftp site (a globalscape...

Finding Motivation

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Finding Motivation

The Last Binary Value of the Year

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Last Binary Value of...

Visit the forum

Question of the Day

The Last Binary Value of the Year

What does this code return?

SELECT cast(0x2025 AS NVARCHAR(20))
Image 1: Image 2: Image 3: Image 4:

See possible answers