KQL Series – create an Azure Data Explorer cluster
I have written a lot about the magic of KQL and the brilliance of Azure Data Explorer. Now we should create a cluster of our own that hosts Azure...
2022-03-31
30 reads
Blog Posts
KQL Series – creating KQL queries
Basically when we are writing KQL we are asking the following questions: Does it exist? Where does it exist? Why does it exist? What shall we do with the...
2022-03-31
30 reads
KQL Series – KQL usage with Advanced Hunting (this is huge)
This blog post is about another use of KQL that will definitely help your organisation and make you very popular. First of all check out this video here which...
2022-03-31
238 reads
KQL Series – Security Monitoring with Azure Data Explorer
This blog post demonstrates a hybrid end-to-end monitoring solution integrated with Microsoft Sentinel and Azure Monitor for ingesting streamed and batched logs from diverse sources, on-premises, or any cloud,...
2022-03-31
45 reads
KQL Series – SQL to KQL Cheat Sheet
This blog post is about how to quickly learn KQL. Kusto supports a subset of the SQL language. See the list of SQL known issues for the full list of unsupported...
2022-03-31
1,338 reads
KQL Series – understanding KQL Queries (Part 1)
In my pervious post I wrote about KQL queries that we will write – we also could use some free some samples that Microsoft put up for us to...
2022-03-31
29 reads
KQL Series – understanding KQL queries (Part 2)
In Part1 we talked about what a query is. The most common query we will write is a tabular expression statement which is what people usually have in mind...
2022-03-31
38 reads
KQL Series – what is Kusto Query Language?
This blog post will detail what KQL is all about… KQL was developed to take advantage of the power of the cloud through clustering and compute. Using this capability,...
2022-03-31
70 reads
KQL Series – why is it called Kusto Query Language?
I use KQL on an hourly basis…. But for a query language – why call it Kusto..? Where is a funny tidbit of information: You have probably heard something...
2022-03-31
26 reads
Kusto Query Language – a series
This blog post is about a new query language that I have learnt and I really think you need to learn it too. Especially if you are doing ANYTHING...
2022-03-31
23 reads
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
WITH clause gets a 26ai boost!
By way of background, a while back I did video called “My New Favourite...
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
How We Handled a Vendor Retry That Loaded Twice in Snowflake
Comments posted to this topic are about the item How We Handled a Vendor...
Cognitive Coverage
Comments posted to this topic are about the item Cognitive Coverage
Question of the Day
Getting the Average
I have this data in the dbo.Commission table in a SQL Server 2022 database.
salesperson commission Brian 12 Brian 16 Andy 7 Andy 14 Andy 21 Steve 20 Steve NULLAll the data is a varchar, and I decide to run this query to get the totals for each salesperson.
SELECT SalesPerson
, AVG(TRY_PARSE(Commission AS int)) AS TotalCommission
FROM commission
GROUP BY SalesPerson
GO
What average commission is calculated for Steve? See possible answers