As a society, we have an unrealistic respect for data, especially if it has a decimal point somewhere and uses metric units. We who are in the business of data need to cultivate a renewed interest in the sceptical and rigorous science of statistics: it is too important to leave to 'Data Scientists'. If the data is wrong, or the way we analyse or report it is misleading, much of what we do is pointless.
This metric is a great general indicator of performance problems. High stall times indicate I/O problems, which can be attributed to busy physical disks or queries that return large data sets to the client.
This article demonstrates the use of custom code and cell expressions referencing that custom code to toggle the background color of groups of rows in an SSRS report based upon value-changes in one of the fields.
Managers, look away now. Patrick Index wants to get something off his chest...
Big data applications are now fairly commonplace in large organizations. It is, however, difficult to simply ‘drop’ these applications into an existing IT infrastructure and expect to run smoothly. In addition to energy and cooling requirements for new hardware to support the new big data application, other IT areas need to prepare.
DBCC is a mechanism that can protect you against corruptions causing substantial data loss in your database. If you use it.
The MidnightDBAs have developed a free reindexing solution to help DBAs perform maintenance on their instances. Read about the solution and attend their webinar.
What do Technical Architects (TAs) actually do when in a development role? Are they just senior developers 'pushed upstairs' into a management role? Is there a clear distinction between a TA and a product, or project, manager? In an increasingly automated and joined up development environment, the role is important, varied and wide-ranging; as Grzegorz Strzelecki explains.
SQL in the City, the unique event for database developers and administrators organized by Red Gate Software, hits the streets of London and Seattle this fall. Now in its fourth year, it features presentations by some of the world’s top SQL Server speakers.
If you changed your domain and have lost control over the SQL server or have been blocked from logging in , this article talks about it
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