2017-01-03
2,386 reads
2017-01-03
2,386 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
How does a column store index compare to a (traditional)row store index with regards to performance
2016-12-30 (first published: 2015-05-14)
15,444 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 does not allow computed columns to co exist with columnstore indexes and clustered btree indexes on same table.
2016-12-29
906 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
This article compiles some common questions and answers about Azure SQL Data Warehouse.
2016-12-28
9,278 reads
2016-12-28
116 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
Every organization I talk to has the same problem dressed up in different clothes....
By DataOnWheels
I am delighted to host this month’s T-SQL Tuesday invitation. If you are new...
By alevyinroc
Ten years (and a couple jobs) ago, I wrote about naming default constraints to...
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