This article looks at SQL Server locking and transaction isolation levels, how to set the transaction isolation level, and how some isolation levels use locking, while others use row versioning. It also explains what type of locks data update requires.
Can we make a hack resistant database? A vendor claims this, but Steve Jones thinks it's not really a good claim to make and that we ought to make it our job to secure databases.
Learn about orphaned distribution transactions in SQL Server and how you can clear them.
Some companies put business or application logic in SQL Server using stored procedures, views and functions to return values to the calling applications or perform tasks. This is not unusual in companies that use the SQL Server layer to perform business tasks, such as finance operations, or incorporate application functionality into the programmability layer. Here's a tip to preserve secrecy on some procedures, views or functions in order to maintain security.
Join us for a free day of SQL Server training and networking on July 27 in Cocoa Beach, Florida.
This article aims to demonstrate bad parameter sniffing and its effects on memory grants.
Steve Jones talks about laptops and desktop machines, and the potential issues that IT professionals have with one or the other.
Data Analysis Expressions (DAX), originally the formula language for PowerPivot workbooks, can also be used within the MDX query window of SSMS to directly access data from a tabular SSAS database, an in-memory database that uses the xVelocity analytics engine and compression. Robert Sheldon shows how easy it is to retrieve data from a tabular database.
This article provides a comprehensive solution to sending email from SQL Express 2008 and Express 2008 R2.
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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hi , a new user wants to be able to add sql agent jobs...
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