The COUNT function is among the most used functions in the T-SQL codes. Even though COUNT is easy to use, it should be used carefully because it could often not return the desired result. For the big tables, the counting of the rows could cause blocking as well as take some more time.
Steve loves to read all sorts of books and is asking what books you'd read professionally or for fun in 2018.
The majority of traditional database management systems are responsible for making sure that any changes to their data are consistently reflected in the results of subsequent queries. Azure Cosmos DB extends the range of consistency options by providing support for bounded-staleness, session, and consistent prefix models.
Interleaved Execution allows SQL Server's query optimizer to get accurate cardinality estimates in places where it couldn't before.
The new feature, Mobile Reports, was added to SSRS in 2016. It provides the ability to create attractive and useful dashboards that can run on devices and most browsers. Robert Cain shows you how to get started building Mobile Reports with the Mobile Report Publisher.
Erik shows that heaps have even more drawbacks under optimistic concurrency.
You have the opportunity to influence the makeup of the conference agenda for the PASS Summit
I created this article to demonstrate the use of derived columns inside a ForEachLoop Container for a client requirement for some auxiliary marketing reports. I found the Data Conversion tool useful to escape the problem of mismatched data types, which is an issue with versions of Microsoft SSIS.
Blocking in SQL Server is normal behavior, but excessive blocking can lead to many complaints and is a symptom of poor performance. SQL Server contains a vast amount of information that can help when troubleshooting performance issues like blocking, but understanding and gathering that information when you need it is a lot of work. Darko Martinovic explains his solution for a custom blocking report.
By Vinay Thakur
As discussed introduction of Always Encryption blog and initial Encryption at rest as TDE...
By Vinay Thakur
Transparent Data Encryption(TDE): TDE was initially introduced in SQL Server 2008 Enterprise Edition; this...
By Steve Jones
Only a little break for me. I’m actually heading to Las Vegas today for ...
Comments posted to this topic are about the item The day-to-day pressures of a...
Comments posted to this topic are about the item The Problem Isn't Always Your...
Comments posted to this topic are about the item Identity Defaults
What happens when I run this code?
CREATE TABLE dbo.IdentityTest
(
id int IDENTITY(10) PRIMARY KEY,
somevalue VARCHAR(20)
)
GO
See possible answers