Count(*) or Count(1) ?
Every so often on the on-line forums, the question of : Which is better Count(*) or Count(1) ? will occur. So can...
2010-07-27
1,491 reads
Dave Ballantynes blog
SQLBits 7
For those that may of missed it, voting for SQLBits sessions is now open. Make your voice heard and get...
2010-07-20
409 reads
Using a UDF as a SARG. Make a hash of it!
I am somewhat uncomfortable blogging this, as I feel that it falls into “Polish a turd” category. Having said that,...
2010-07-02
759 reads
Kent Sql Server UserGroup
One of my back burner projects is to setup a local user group.
I'm delighted to now say that this is...
2010-06-28
416 reads
SQL 101 : Without “ORDER BY”, order is not guaranteed.
It’s as simple as that. If you don’t specify ORDER BY, then the order of your result set is not...
2010-06-26
737 reads
SQL Server XML Schemas
Ever been curious about the schema of , say an SSRS rdl file ? How about the execution plan ?
Not only should...
2010-06-15
503 reads
Challenge 19 – An Explanation of a Query
I have received a number of requests for an explanation of my winning query of TSQL Challenge 19. This involved...
2010-05-27
1,722 reads
Increasing deadlocks with NoLock
One of my personal pet issues is with inappropriate use of the NOLOCK hint (and read uncommitted) . Don't get me...
2010-04-23
775 reads
Cross Apply Ambiguity
Cross apply (and outer apply) are a very welcome addition to the TSQL language. However, today after a few hours...
2010-03-26
1,959 reads
Output = MAXDOP 1
It is widely know that data modifications on table variables do not support parallelism, Peter Larsson has a good example...
2010-03-04
573 reads
Blogs
The #MS_DatabaseConnector## Role: #SQLNewBlogger
By Steve Jones
I had seen these roles in various instances, but never dug into the new...
Asking for Help Isn’t a Weakness
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
The Proof of the Backup Is in the Pudding
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
Access + ODBC Driver 18 + SQL Server 2025: ~150–250 ms per request
Has anyone encountered recurring request latency when using Microsoft Access with SQL Server 2025...
The ##MS_DatabaseConnector## User
Comments posted to this topic are about the item The ##MS_DatabaseConnector## User
Question of the Day
The ##MS_DatabaseConnector## User
On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers