I was trying to use OPENROWSET to query a remote database and I experienced the following error "Ad hoc access to OLE DB provider has been denied. You must access this provider through a linked server". When I ran this same query using a sysadmin account it worked fine. Why doesn't this work for other logins?
2017-01-06
2,805 reads
For many developers, database security and Access control is just something that gets in the way of development work. However, several recent security breaches have had devastating consequences and have caused a change in attitude about the value to any organisation of having database applications that meet industry standards for access control and security. The problem, however is in admitting that you have a problem and finding answers to those problems you are just too shy to ask in public.
2017-01-05
7,712 reads
Is your msdb database growing bigger every day? If so you might want to consider purging some of the history records. Greg Larsen explains.
2017-01-04
6,454 reads
Triggers are generally over-used in SQL Server. They are only rarely necessary, can cause performance issues, and are tricky to maintain If you use them, it is best to keep them simple, and have only one operation per trigger. Joe Celko describes a feature of SQL that 'gets complicated fast'.
2017-01-03
3,807 reads
Aaron Bertrand explains a few details about the memory limits in SQL Server 2016 Service Pack 1 that make this upgrade even more compelling.
2017-01-02
3,926 reads
Manvendra Singh takes a look at a SQL Server function that you can use to read the transaction log to see what entries are made for database transactions.
2016-12-30
4,902 reads
SQL Server 2016 brings native support to advanced analytics in the database itself, using R Services. In this article, Arshad Ali explains what R is, what the on-premise advanced analytics options from Microsoft are, and shows how to get started using R Services with SQL Server 2016.
2016-12-29
4,325 reads
In any commercial setting, Excel Spreadsheets remain the preferred way of collecting and analysing data, and it makes sense that it should be easy to get the data into PowerBI so it can be made more generally available for sharing and further analysis. As well as the data, we'd probably need the other analysis components such as the Power Pivot tables, Power View visualizations, Power Query queries. It is all possible, and Robert Sheldon demonstrates how.
2016-12-28
2,896 reads
There is a great gulf between wanting to document your database properly with extended properties and actually doing it. Extended Properties have many uses but they aren't easy to use. Phil Factor is on a mission to make it easier for ordinary mortals to use extended properties as intended, to aid the database development process.
2016-12-27
3,765 reads
Table variables get a lot of bad press, and they deserve it. They are to query performance what the TSA is to air travel. No one’s sure what they’re doing, but they’ve been taking forever to do it.
2016-12-26
3,341 reads
By Steve Jones
This was Redgate in 2010, spread across the globe. First the EU/US Here’s Asia...
By John
Today is Christmas and while I do not expect anybody to actual be reading...
By Bert Wagner
Until recently, my family's 90,000+ photos have been hidden away in the depths of...
Comments posted to this topic are about the item Happy Holidays, Let's Do Nerdy...
Comments posted to this topic are about the item UNISTR Escape
Comments posted to this topic are about the item Celebrating Tomorrow
In SQL Server 2025, I run this command:
SELECT UNISTR('*3041*308A*304C\3068 and good night', '*') as "A Classic";
What is returned? (assume the database has an appropriate collation)
A: 
B: 
C: 
See possible answers