Foreign Keys
Foreign keys are an important part of a relational database. New author Ravi Lobo takes a look at foreign keys from the perspective of a new DBA with some scripts to help you ensure your database is setup correctly.
Foreign keys are an important part of a relational database. New author Ravi Lobo takes a look at foreign keys from the perspective of a new DBA with some scripts to help you ensure your database is setup correctly.
Should IT managers understand technical issues, or is a full appreciation of the technology somehow unworthy and unnecessary for senior staff? In such a rapidly changing industry where fortunes are made and lost by attempting to exploit gaps in the market too thin to see with the naked eye, the answer would seem obvious. However, I have repeatedly come across amazing gaps in the technical knowledge of managers.
One of the difficult parts of developing anaylsis services cubes is determining which aggregations should be chosen. Yaniv Mor brings us the second part of his series and examines using Usage Based Optimization in SQL Server 2005.
This project was done using SQL Server 2005 Enterprise Edition (with SP1 beta) using the BULK INSERT command with 60 parallel input files, each of approximately 16.67 GB. The best time I got was 50 minutes. Hewlett Packard was kind enough to loan me some time one night on the machine they use to do the TPC-H tests. It is an Itanium2 Superdome with 64 1.6GHZ 9M (Madison) CPUs. For the insert tests the system was equipped with 256GB of RAM. The HP SAN configuration is rated at 14GB per second throughput.
At just about every talk I give I always try to make several consistent statements. One of which is: ‘Whenever possible use stored procedures to access your data’.
Let me start by stating some disclaiming remarks. I'm not against stored procedures in general, I find that the choice why procedures should be used, should be based on proper facts, not on claims without any proof.
Part 1 of a 4 part series about ADO, this is a beginner level article designed to get you started using the ADO connection object. If you haven't used ADO so far, why not see what it's all about?
This is a good explanation on how to acctually bill a customer for your service over a credit card in your web application.
Everyone wants a highly available system, but achieving 4 or 5 9s of uptime is hard to do. Especially when you have cost limitations. New author Mark Cook takes a look at how his company analyzed the challenges and which method they chose along with some implementation details.
Continuing our coverage of topics dealing with various aspects of managing SQL Server 2005 Integration Services packages, which we started with an overview of their storage and deployment, we now turn our focus to their execution.
By Brian Kelley
But as I've matured over the years, I came to realize that I needed...
By alevyinroc
I will be presenting my latest session, Documenting Your Work for Worry-Free Vacations, in-person...
By Steve Jones
I saw a question asking about the next sequence value and decided to try...
I've got a table with 186,703,969 rows, about 300GB of data. There are several...
I created a SQL Database in Azure Portal but I've just noticed it also...
Comments posted to this topic are about the item An Unusual Identity
What values are returned when I run this code?
CREATE TABLE dbo.IdentityTest2
(
id NUMERIC(10,0) IDENTITY(10,10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
INSERT dbo.IdentityTest2
(
somevalue
)
VALUES
( 'Steve')
, ('Bill')
GO
SELECT top 10
id
FROM dbo.IdentityTest2 See possible answers