Tech Lunch News
Předminulou středu jsme opět poobědvali a zároveň si nasdíleli řadu novinek ze světa dat. Tak doufám, že příště dorazíte i vy! Můžete klidně i jen poslouchat, pokud vás novinky...
2022-01-25
48 reads
Předminulou středu jsme opět poobědvali a zároveň si nasdíleli řadu novinek ze světa dat. Tak doufám, že příště dorazíte i vy! Můžete klidně i jen poslouchat, pokud vás novinky...
2022-01-25
48 reads
8. prosince jsme se opet sešli u obeda nad novinkami ze sveta dat. Je super, že se stále více úcastní i lidé mimo JC – jsme rádi, že se...
2021-12-27 (first published: 2021-12-19)
137 reads
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
14 reads
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)
230 reads
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)
334 reads
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)
447 reads
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)
990 reads
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
61 reads
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)
687 reads
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)
6,825 reads
By Steve Jones
It’s Prime Day. A few of my recommendations, since I want to do some...
With Fabric Mirroring, Microsoft is promoting a nice and appealing story for operational reporting...
If you’ve been watching AI roll through the data community and thinking, “this seems...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
WhatsApp:0818-751-777 Menara Satu Sentra Klp. Gading, Jl. Boulevard Bar. Raya No.1 Lt. Dasar, 1,...
Comments posted to this topic are about the item Concurrency and Baseline Control: Level...
I have this code on SQL Server 2022. What happens when it runs all at once?
DROP TABLE IF EXISTS dbo.Commission GO CREATE TABLE dbo.Commission (id INT NOT NULL IDENTITY(1,1) CONSTRAINT CommissionPK PRIMARY KEY , salesperson VARCHAR(20) , commission VARCHAR(20) ) GO INSERT dbo.Commission ( salesperson, commission) VALUES ( 'Brian', 12 ), ( 'Brian', 'None' ) GOSee possible answers