I am modifying a table and I need to add a column that must be defined as being unique. I see that SQL Server allows you to define a UNIQUE constraint on a column but I also see that you can create a unique index on a column. Which one should I use?
2008-09-05
8,319 reads
This article explores how a DBA can administer and monitor Change Data Capture in SQL Server 2008
2008-09-04
2,481 reads
It's very important to capture trends of the sizes of your SQL Server 2005 database because it allows you to plan for future space needs, notice types of problems, and plan for time periods of heavy volume. I'll show you the simple method that I use to capture this information.
2008-09-04
4,301 reads
Just because you have disk space, plenty of memory, and abundant CPU does not mean you can pile databases onto an instance of Microsoft SQL Server; you need to pay attention to load balancing. In the case of a clustered environment I take it one-step-removed: a step I like to call node balancing.
2008-09-03
2,763 reads
Tuning SQL Server performance means tuning hardware configurations and setup. Learn about configuring disk arrays and SQL disk partitioning alignment.
2008-09-03
4,568 reads
In a report entitled "Really Urgent Analytics: The Sweet Spot for Real-Time Data Warehousing," Forrester advises intelligence and knowledge management professionals to familiarize themselves with the various approaches for adapting a data warehouse to meet real-time requirements, and, if necessary, consider bypassing the data warehouse altogether.
2008-09-02
2,038 reads
We are looking to automate the processing of our SQL Server Analysis Services dimensions and cubes. We'd like to add this processing to our existing SQL Server Integration Services (SSIS) packages which periodically update our data warehouse from our OLTP systems. Can you give us the details on how the Analysis Services Processing Task can be used in an SSIS package?
2008-09-01
2,564 reads
Learn two built-in functions for SQL Server data conversion from T-SQL date/time values to character types. These methods include SQL Server CAST and CONVERT.
2008-09-01
7,536 reads
This article describes the importance of the Resource database in SQL Server 2005 & 2008
2008-08-29
3,288 reads
Developers can get so used to relying on computers for everything that they can forget how useful it can be in the design process to elicit and refine ideas whilst working in groups, using a sketchbook, pencils and crayons. Sometimes we all need a jolt to force us to take a different approach to solving software design problems.
2008-08-29
3,357 reads
By DataOnWheels
The T-SQL Tuesday topic this month comes James Serra. What career risks have you...
This T-SQL Tuesday is hosted by the one and only James Serra – literally...
By Steve Jones
This month we have a new host, James Serra. I’ve been trying to find...
Hi, ssms is free here. I can think of other reasons to do this...
I've written some documentation on using different Markdown types of files on GitHub. It's...
Comments posted to this topic are about the item Not Just an Upgrade
I am doing development work on a database and want to keep a backup so I can reset my database. I make some changes and want to restore over top of my changes. When I run this code, what happens?
USE Master BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO USE DNRTest GO CREATE TABLE MyTest(myid INT) GO USE master RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACESee possible answers