How do you compare two SQL tables? Every SQL Developer or DBA knows the answer, which is 'it depends'. It is not just the size of the table or the type of data in it but what you want to achieve. Phil Factor sets about to cover the basics and point out some snags and advantages to the various techniques.
This metric measures the total number of ad hoc queries in the plan cache that have only run one time. The value is only accurate for the instant the query is run, and the value can change radically from one capture time to the next.
Phi Factor on how to combine PowerShell Remoting with slick Windows tools such as SQLPSX, Boxstarter and Chocolatey, to automate the development process right through to delivery.
Statistics keep track of our data and will tell SQL Server how to make the best optimization decisions. Knowing how they work can make understanding query and performance problems much easier!
In this tip, we will demonstrate the installation of SQL Server 2014 on a notebook. While processing large amounts of data on a system like this might not be feasible, one can still learn how to configure and use the features of SQL Server 2014.
A simple problem that can become complex in T-SQL. How do you find the rows that match 2 conditions, but not a third, in an efficient manner. MVP Jeff Moden gives us a solution.
It's easy to get excited if you work at a startup, or a software company. But for corporate workers that toil in IT departments all around the world, how do you keep them motivated? Steve Jones has a few thoughts about simple things that make workers feel better about their jobs.
Although many of the important tasks a DBA has to perform should be done 'by hand', keying in commands or using SSMS, the canny DBA with a heavy workload will always have an eye to automating routine tasks wherever possible, or using a tool.
Are all RDBMS heading towards "The Cloud"? Is this something we DBAs and consultants should be doing for our client?
By Steve Jones
I wrote about learning today for the editorial: I Can’t Make You Learn. I...
By ReviewMyDB
Fabric has CI/CD built in, but if you've tried to use it for database...
By Steve Jones
attriage – n. the state of having lost all control over how you feel...
Telp Cs: 08218200233 Jl. Merdeka No.39, Proklamasi, Kec. Siantar Bar., Kota Pematang Siantar, Sumatera...
Telp Cs: 08218200233 Jl. Asia, Simpang, Jl. Bakaran Batu No.1 C, Sei Rengas II,...
Telp Cs: 08218200233 Wisma Asia, Jl. Letjen S. Parman No.Kav. 79, RT.4/RW.9, Kota Bambu...
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37 4 NULLWhat is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 4;See possible answers