Relational Datbases have tables as data structures, not arrays. This makes it tricky and slow to do matrix operations, but it doesn't mean it is impossible to do. Joe gives the Celko Slant on how to go about doing Matrix Math in SQL.
2012-10-04
3,741 reads
I want to backup my SQL Server databases to a folder, but I want to minimize who has access to the folder. In other words, I want to make sure that members of the Windows Local Administrators group don't get to the backups without intentionally trying to bypass the security. How do I do that?
2012-10-02
3,264 reads
There is a lot that can be done to make basic tabular reports more readable, using Microsoft's free Report Builder. Rob Sheldon continues his exploration of the power of this tool by showing how to format various elements within reports
2012-10-01
3,173 reads
Learn how to apply the tracing functionality in Microsoft data access technologies such as ADO.NET 2.0, MDAC 2.82, SQL Server Native Client, and the JDBC driver; and in the SQL Server network protocols and the Microsoft SQL Server database engine.
2012-09-28
2,897 reads
The tSQLt framework is a great way of writing unit tests in the same language as the one being tested, but there are some 'Gotchas' that can catch you out. Dave Green lists a few tips he wished he'd read beforehand.
2012-09-27
2,973 reads
We have a number of SQL Server hosts with multiple SQL Server instances. From time to time we have CPU issues, but we are not sure which instance is causing the issue. How do you find which SQL Server instance is causing CPU pressure on machine with multiple SQL Server instances? Check out this tip for ideas on how to find the correct SQL Server instance which is causing CPU pressure.
2012-09-26
2,968 reads
Meredith Ryan – DBA at the Bell Group –was elected by judges and the SQL Server community as the Exceptional DBA of 2012. So who is Meredith, and how did she become a DBA? What makes her exceptional at her work? Simple-Talk sent Richard Morris to investigate.
2012-09-25
2,510 reads
There are several reliable indications, using SQL Queries, of what is causing SQL Server performance problems. Some of these are fairly obvious, but others aren't. Grant shows how you can get clues from any SQL Server as to the cause of stress.
2012-09-24
3,808 reads
Grant takes a humorous (but completely serious) look at why you should be regularly verifying your backups. Get top tips for backup and recovery, and protect yourself when disaster strikes. Watch the video
2012-09-21
2,886 reads
This document contains step-by-step instructions for installing and testing the Microsoft Business Intelligence infrastructure based on SQL Server 2012 and SharePoint 2010, focused on SQL Server 2012 Reporting Services with Power View. This document describes how to completely install the following scenarios: a standalone instance of SharePoint and Power View with all required components; a new SharePoint farm with the Power View infrastructure; a server with the Power View infrastructure joined to an existing SharePoint farm; installation on a separate computer of client tools; installation of a tabular instance of Analysis Services on a separate instance; and configuration of single sign-on access for double-hop scenarios with and without Kerberos. Scripts are provided for all/most scenarios.
2012-09-21
2,058 reads
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
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In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers