In this article, we are going to explore the new HierarchyID data type. We are going to show how to implement hierarchies in SQL Server 2005 and than how same thing in can be achived in SQL Server 2008 using the HierarchyID data type.
2008-02-20
4,301 reads
To optimize Transact SQL (T-SQL) data types in SQL Server, learn how each type affects performance -- I/O, RAM and CPU in SQL Server.
2007-12-26
3,745 reads
2007-12-07
4,014 reads
Continuing on with his series on ADTs, Yakov Shlafman takes a look at working with schema changes when your ADT is on a column used as a primary or foreign key.
2007-09-27
2,234 reads
In SQL Server 2005 there is the concept of alias data types, which are similar to user-defined data types in SQL Server 2000. Yakov Shlafman brings us the first part of a series looking at these structures in SQL Server 2000.
2008-05-30 (first published: 2007-06-19)
6,744 reads
The Unique Identifier datatype in SQL Server has tremendous potential to solve many of the issues one finds with Identity fields, other primary keys, etc. However it also has some drawbacks and limitations. Author Sharad Nandwani looks at some of the pros and cons of this datatype.
2004-06-24
14,024 reads
Joseph has written a couple articles for us and forwarded this link to an article he wrote recently on text type columns. You can see more of his work at http://www.sqlservercentral.com/columnists/jgama/.
2003-11-20
1,940 reads
Last week we discussed character datatypes and their performance effects on your database. This week,we will dive into numeric datatypes. We will discuss how SQL Server numeric datatypes are stored and the pros and cons of each.
2004-10-29 (first published: 2001-05-17)
13,904 reads
In the latest release of SQL Server, Microsoft has added a number of new data types to expand the functionality of SQL Server.
2001-05-14
6,811 reads
By Steve Jones
This value is something that I still hear today: our best work is done...
By gbargsley
Have you ever received the dreaded error from SQL Server that the TempDB log...
By Chris Yates
Artificial intelligence is no longer a distant concept. It is here, embedded in the...
Comments posted to this topic are about the item Planning for tomorrow, today -...
We have a BI-application that connects to input tables on a SQL Server 2022...
At work we've been getting better at writing what's known as GitHub Actions (workflows,...
I try to run this code on SQL Server 2022. All the objects exist in the database.
CREATE OR ALTER VIEW OrderShipping
AS
SELECT cl.CityNameID,
cl.CityName,
o.OrderID,
o.Customer,
o.OrderDate,
o.CustomerID,
o.cityId
FROM dbo.CityList AS cl
INNER JOIN dbo.[Order] AS o ON o.cityId = cl.CityNameID
GO
CREATE OR ALTER FUNCTION GetShipCityForOrder
(
@OrderID INT
)
RETURNS VARCHAR(50)
WITH SCHEMABINDING
AS
BEGIN
DECLARE @city VARCHAR(50);
SELECT @city = os.CityName
FROM dbo.OrderShipping AS os
WHERE os.OrderID = @OrderID;
RETURN @city;
END;
go
What is the result? See possible answers