The I/O system is important to the performance of SQL Server. When configuring a new server for SQL Server or when adding or modifying the disk configuration of an existing system, it is good practice to determine the capacity of the I/O subsystem prior to deploying SQL Server. This white paper discusses validating and determining the capacity of an I/O subsystem. A number of tools are available for performing this type of testing. This white paper focuses on the SQLIO.exe tool, but also compares all available tools. It also covers basic I/O configuration best practices for SQL Server 2005.
Business Intelligence Architect Bill Pearson introduces the useful .AllMembers function, reinforcing the basic concepts, as always, with hands-on practice examples.
Does it suck to be a corporate programmer? Joel Spolsky things so, but Steve Jones takes issue with it.
An exploration of the process of translating a conceptual model to a logical model, and ultimately, a faithful implementation using T-SQL.
Most SQL Server DBAs have been taught that cursors are bad and should not be used. However there are some cases and places where they might be useful. SQL Server guru Andy Warren brings us an example of where they may be handy.
Locking is a major part of every RDBMS and is important to know about. It is a database functionality which without a multi-user environment could not work. The main problem of locking is that in an essence it's a logical and not physical problem. This means that no amount of hardware will help you in the end. Yes you might cut execution times but this is only a virtual fix.
Backing up a database is one of the most important things you need to do when having a database driven application. It 's only all of your data in there, right? But often developers and management don't realize the importance of backups and overall proper backup strategy for the most important side of the business – data and it's consistency.
Computer professionals are constantly complaining about the documentation for the software they use. And are notorious for not documenting their own code very well. Longtime author Raj Vasant brings us a short article with some suggestions on how to go about documenting your databases.
What will happen in the job market for DBAs this year? Steve Jones gives a few opinions based on what is happening in the industry.
By Steve Jones
I was messing around with SQLCMD and I realized something I hadn’t known. I’ve...
By gbargsley
One of the first things I review when I inherit a new SQL Server...
By Arun Sirpal
It’s 07:43. Someone’s already left a message. “Something’s wrong with the DB server.” You...
I have an issue where I have a Bill of Material list of items...
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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