Enforce Business Rules for All Your Data with Constraints
The only way to guarantee that your business rules are always enforced for all your data is by using constraints. Learn how to use them to enforce business rules in the database.
The only way to guarantee that your business rules are always enforced for all your data is by using constraints. Learn how to use them to enforce business rules in the database.
In systems that require, for auditing purposes, advanced logging and reproducibility of reports between runs, a straightforward update, insert, or delete may be counter-productive. In such circumstances, a bitemporal model is necessary
COALESCE() accepts a series of values and a value to use in the event that all items in the list are null; then, it returns the first not-null value. This tip describes two creative uses of the COALESCE() function in SQL Server.
Full scan statistics update can be slow and expensive on a large system, and a single update statistics job for a whole database can easily exceed an overnight maintenance window. This article looks at jobs that could update statistics on the system in parallel.
Robyn Page delves into all the things you need to know, rather than want to know, about SQL Server replication.
Steve Jones takes a look at the world of automobiles and specifically his new Prius hybrid.
Learn how to upload multiple XML files to an SQL Server 2005 database XML data type column.
You can use arithmetic operators in date/time calculations in SQL Server, but sometimes the date/time functions provided by Microsoft are the better option. Follow a few scenarios that demonstrate when arithmetic operators are safe and when they are risky.
If you would like to learn how to build and customize your very own Windows service to retrieve posts from multiple RSS feeds, and then store those posts in a SQL Server database, let John Papa guide you through his tutorial.
This tip explores a DMX extension introduced in SQL Server 2005 SP2 that can be used to render lift reports directly in Reporting Services.
By James Serra
(Shameless plug: The price of my book “Deciphering Data Architectures: Choosing Between a Modern...
By Steve Jones
I was working with a customer and discussing how to do error handling. This...
By DataOnWheels
The 14th annual Ability Summit is a global event that I attended a few...
Comments posted to this topic are about the item The Journey to Change
Comments posted to this topic are about the item Check Azure SQL DB Space...
Comments posted to this topic are about the item The Cloned Database Size
I have a small test sandbox database on an instance with default master, model, msdb, and tempdb settings. The database has these files:I now run this command:
DBCC CLONEDATABASE(sandbox, sandbox_clone); GOWhen I examine the database file properties, what do they show? See possible answers