Hierarchies in SQL, Part II, the Sequel
In a followup to his first article on Hierarchies, Gus Gwynn takes a look at the performance of a few different methods of querying a hierarchy. Learn how the HierarchyID stacks up.
2012-08-21
8,010 reads
T-SQL
2012-08-20
3,526 reads
2012-08-17
3,547 reads
2012-08-16
3,014 reads
2012-08-15
3,019 reads
2012-08-14
2,673 reads
2012-08-13
2,844 reads
Using DELETE CASCADE Option for Foreign Keys
Referential integrity is a very important thing to consider when designing a database. In my years as a DBA I've seen database designs that sit on both ends of the spectrum, none at all and cases where every table is linked to multiple tables. While the later certainly can be a little more difficult to work with it ensures the integrity of your data stays intact. The other end provides much more flexibility when it comes to updating and deleting data from your database, whether it's being done through the application or directly on the backend, but has the issue of possible orphan records if things are not done properly. This tip will look at the DELETE CASCADE option when creating foreign key constraints and how it helps keep the referential integrity of your database intact.
2012-08-13
3,973 reads
Script to get an ordered list of all stored procedures with parameters
Generate a per-schema, per-procedure ordered list of all stored procedures for the current database, together with their parameters, datatypes and nullability.
2012-08-14 (first published: 2012-08-08)
2,247 reads
2012-08-08
3,018 reads
Blogs
SQL Server Security: Always Encryption
By Vinay Thakur
As discussed introduction of Always Encryption blog and initial Encryption at rest as TDE...
SQL Server Security – TDE Encryption
By Vinay Thakur
Transparent Data Encryption(TDE): TDE was initially introduced in SQL Server 2008 Enterprise Edition; this...
A Las Vegas Break
By Steve Jones
Only a little break for me. I’m actually heading to Las Vegas today for ...
Forums
The day-to-day pressures of a DBA team, and how we can work smarter with automation and AI
Comments posted to this topic are about the item The day-to-day pressures of a...
The Problem Isn't Always Your Query or Schema... Sometimes It's Hidden Assumptions
Comments posted to this topic are about the item The Problem Isn't Always Your...
Identity Defaults
Comments posted to this topic are about the item Identity Defaults
Question of the Day
Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers