Which One is Better? IN or BETWEEN?
I just had an interesting case of performance tuning: a query with multiple predicates on a very large table. Something...
2018-03-21 (first published: 2018-03-09)
4,106 reads
Superman
Use Filtered Statistics to Improve Performance on Very Large Tables
Let’s say you have a very large table on a SQL Server 2012 Standard Edition instance. This means: old cardinality...
2018-03-02
363 reads
What is the CXPACKET Wait Type?
This wait type indicates that parallel plans execute on the server. This wait type doesn’t necessarily means there is a...
2018-03-02
806 reads
How to Troubleshoot Waiting Tasks Without Requests in SQL Server?
Usually, when I need to troubleshoot currently running requests, I use a combination of sys.dm_exec_requests and sys.dm_os_waiting_tasks. The former retrieves...
2018-02-01
382 reads
Doing More with Less – My Productivity Guide
Houston, We Have a Problem
We are living in a crazy world. And it just gets more and more crazy all...
2018-01-28
831 reads
How to Size Your Database Files?
Let’s say you need to create a new SQL Server database, which is going to grow very fast, but you...
2018-01-18 (first published: 2018-01-08)
1,738 reads
What is Graph Processing in SQL Server 2017?
There is a growing need for Graph Databases in the market. This is a type of database, which is capable...
2018-01-08
526 reads
What is the Automatic Plan Correction in SQL Server 2017?
SQL Server 2017 brings a new interesting feature, that might be a game changer in some environments. I’m talking about...
2017-12-25
556 reads
SQL Saturday Nepal 2017
I had the honor to visit Nepal and participate in SQL Saturday Nepal 2017. You can visit the event website...
2017-12-23
466 reads
How to Calculate Running Totals in SQL Server
In show #84 of the SQL Server Radio Hebrew Edition, Matan and I talked about how to calculate running totals in SQL...
2017-12-01 (first published: 2017-11-19)
2,857 reads
Blogs
5 Advanced Online SQL DBA Training Courses to Learn in 2024 and Beyond
Buckle up, database wranglers! Nowadays, SQL DBAs hold the keys to a company's most...
Dynamically Unpivot columns in SQL
By DataOnWheels
Picture this, your data ingestion team has created a table that has the sales...
Friday Basics: RPO and RTO
By Brian Kelley
I did a post last month titled RTO and RPO are myths unless you've...
Forums
Azure SQL how to grant ALTER DATABASE permission
I have the user Managed identity <myusermanagedidentity> , granted it carte blanche alter...
SQL Server Encrypt data into a file, send it and then decrypt
First off, my apologies for what could potentially be a bad title! I am...
Table partitioning best practice
I've inherited a couple of rather large databases from my ex-colleague when I join...
Question of the Day
Finding Marks
I have marked a few transactions in my code. How can I find out which marks were stored in a transaction log?
See possible answers