Tech Lunch News
Predminulý týden (10. listopadu 2021) jsme porádali už nekolikátý verejný Tech Lunch. Jde o pulhodinový call, na kterém pravidelne prezentujeme novinky ze sveta dat (datové sklady, Azure, SQL Server,...
2021-11-23
6 reads
Joyful Craftsmen Blog
Power BI – Hungry Median – Aggregations
Introduction In my last blog post, I have addressed an issue with DAX Median function consuming a lot of memory. To refresh the result, below is the performance summary...
2020-12-10 (first published: 2020-12-01)
221 reads
Power BI – Hungry Median
Introduction Median is a useful statistical function, which first time appeared in SSAS 2016 and in Power BI around that year as well. There are several articles on how...
2020-12-08 (first published: 2020-11-24)
320 reads
SSAS Tabular – Process Add vs Partition Merge
Time keeps on running and as I promised in my last article I would like to compare the Process ADD vs Partition Merge technique. In the previous blog I...
2020-06-11 (first published: 2020-05-25)
421 reads
Azure Analysis Services – Processing Hot & Cold Data using Tabular model partitions
Introduction Recently have been working on a “Proof of Concept” task where I wanted to test the capabilities of Azure Analysis Services Tabular model when loading data from different...
2020-04-07 (first published: 2020-03-30)
952 reads
SSAS Tabular – Process Add memory consumption
For me it’s a bit surprising how little information can be found regarding the “Process Add” option which I consider as the best choice for incremental data load to...
2020-01-23
56 reads
Query Performance Tuning with Filtered Statistics
Introduction I recently got a call from our DBA telling me that the CPU usage is hitting 100% on the DB server and the ETL process runs for more...
2019-09-04 (first published: 2019-08-26)
681 reads
How to get Live Execution Plan using Extended Events
Introduction
Have you ever found yourself in a situation where you were supposed to troubleshoot a long running expensive query that...
2019-03-06 (first published: 2019-02-19)
6,425 reads
Extended Events: Detect Implicit Conversions that affect execution plans
Implicit Conversions – Introduction
In this blog post, I’ll explain and demonstrate how to use Extended Events to detect Implicit Conversions that...
2019-01-24 (first published: 2019-01-15)
2,795 reads
Clustered Column Store Load Pitfalls – Magic number 64 when using WHERE IN clause
The Problem
During our workload we have recognized a difference in performance for queries using IN clause. We are building query...
2018-12-18
165 reads
Blogs
Friday Flyway Tips: State-based deployment with Flyway Teams
By Steve Jones
I was asked about state-based deployments in Flyway Teams, so I decided to show...
Advice I Like: The Main Thing
By Steve Jones
The main thing is to keep the main thing the main thing. – from...
Sic Transit Gloria Community
When Covid took out the PASS organization, I had someone say to me, “Well,...
Forums
Dynamic T-SQL Script Parameterization Using Python
Comments posted to this topic are about the item Dynamic T-SQL Script Parameterization Using...
Smile and Wave Boys
Comments posted to this topic are about the item Smile and Wave Boys
ExecutionLog3 table in Reportserver Database
I have a SSRS report for which users are complaining to be slow, but...
Question of the Day
Counting Bits IV
What do these two selects return?
SELECT BIT_COUNT (CAST (-1 as smallint))
, BIT_COUNT (CAST (-1 as bigint))
See possible answers