Heaps, Deletes, and Optimistic Isolation Levels
Erik shows that heaps have even more drawbacks under optimistic concurrency.
2018-02-07
2,743 reads
Articles
SSIS Package with a Derived Column
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.
2018-02-06
3,746 reads
Building a Custom Blocked Process Report
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.
2018-02-06
3,868 reads
Configure Read Only Routing
The advantage of Setting the readable secondary as Read-Intent Only will allow the secondary server to serve the read-only workload only if the connection string of the application contains Application Intent=Readonly parameter.
2018-02-05
17,428 reads
Add a SQL Server Database to an Existing Always On Availability Group
In this tip, Manvendra Singh will cover how to add another database to an existing Always On Availability Group.
2018-02-05
2,385 reads
Liberating the DBA from SQL Authentication with AD Groups
It's 15 years after the beginning of the century. Time to eliminate the security exposure of SQL logins, and implement integrated security. Active Directory Groups make this easy for the DBA.
2018-02-02 (first published: 2015-12-21)
9,766 reads
Install and Configure SQL Server 2017 Availability Groups on Linux - Part 3
In this tip, Edwin Sarmiento looks at how to create the Always On Availability Group with a listener name when using SQL Server on Linux.
2018-02-02
3,045 reads
Historical Stock Prices and Volumes from Python to a CSV File
Python is a versatile language that is gaining more popularity as it is used for data analysis and data science. In this article, Rick Dobson demonstrates how to download stock market data and store it into CSV files for later import into a database system.
2018-01-31
2,873 reads
Azure DWH part 25: Auditing and threat detection
In this new article, we will show how to audit the Data Warehouse Activities.
2018-01-30
549 reads
Network Issue or THREADPOOL waits?
Tara Kizer talks identifying THREADPOOL waits and what you can do about them.
2018-01-30
3,043 reads
Blogs
Blog a Day – Day 1: History of AI
By Vinay Thakur
it has been a year since i have not written much on the blog...
A New Word: on tenderhooks
By Steve Jones
on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...
Ramblings about data communities and your contributions, no excuses
By DataOnWheels
I have been active in the data community throughout my career. I have met...
Forums
Ola Hallengren Index Optimize Maintenance can we have data compression = page
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
how do i map the "current" object entry in for each to one variable
hi, in an ssis for each loop over an object variable called MyListVariable, i...
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers