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 James Serra
Once again there were a number of Microsoft Build announcements related to data and...
A good week ago I hosted the monthly T-SQL Tuesday blog party. I invited...
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
I have an issue where I have a Bill of Material list of items...
Comments posted to this topic are about the item Follow Your Hunch
Comments posted to this topic are about the item What Happens When You Ask...
I have a SQL Server 2022 English default installation on a server. I want to detect if there are any upper case characters in rows and I have this code:
SELECT CustomerNameID,
CustomerName
FROM dbo.CustomerName
WHERE CustomerName = LOWER(CustomerName)
Here is the sample data I am testing with:
CustomerNameID CustomerName 1 John Smith 2 Sarah Johnson 3 MICHAEL WILLIAMS 4 JENNIFER BROWN 5 david jones 6 emily davis 7 Robert Miller 8 LISA WILSON 9 christopher moore 10 Amanda TaylorHow many rows are returned? See possible answers