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)
4,078 reads
Guy Glantser
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
724 reads
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
354 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
360 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
828 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)
1,717 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
521 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
530 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
461 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)
2,822 reads
Blogs
Regression Testing SQL Saturday Naming
By Steve Jones
I started a poll today on the naming for future SQL Saturdays. You can...
Daily Coping 9 Apr 2021
By Steve Jones
I started to add a daily coping tip to the SQLServerCentral newsletter and to...
Error creating Azure SQL Database
By Arun Sirpal
A quick post today, quite simply, the error message is: “code”: “ConflictingDatabaseOperation”, “message”: “Operation on server x and database y is in progress. Please wait a few minutes before trying again.” What...
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