This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
15 reads
This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
904 reads
This is the second post in a series about modern Data Lake Architecture
where I cover how we can build high quality data lakes using Delta Lake,
Databricks and...
2019-08-29
37 reads
Steps needed Getting Apache Spark running on windows involves:
Installing a JRE 8 (Java 1.8/OpenJDK 8) Downloading and extracting SPARK and setting SPARK_HOME Downloading winutils.exe and setting HADOOP_HOME If...
2019-08-29
7 reads
Steps needed Getting Apache Spark running on windows involves:
Installing a JRE 8 (Java 1.8/OpenJDK 8) Downloading and extracting SPARK and setting SPARK_HOME Downloading winutils.exe and setting HADOOP_HOME If...
2019-08-29
33 reads
Starting on dbatools version 1.0.31 we introduced better coverage for commands that make use of PowerShell Remoting. Which commands? Commands like Get-DbaComputerCertificate, Get-DbaPrivilege, Get-DbaClientAlias, just to mention a few...
2019-08-29 (first published: 2019-08-20)
1,332 reads
A brand new product by Microsoft called Azure Data Share was recently announced. It is in public preview. To explain the product in short, any data which resides in...
2019-08-29 (first published: 2019-08-19)
673 reads
Releases seem to be coming out thick and fast at the moment, here’s the latest v1.6 revision to sp_restorescript For those of you backing up to Azure BLOB Storage,...
2019-08-29
57 reads
It’s a running joke among the more experienced (read, older) Microsoft Data Platform specialists as to whether you’re #teamprofiler or #teamexevents. I’m very much #teamexevents, but I really don’t...
2019-08-28 (first published: 2019-08-19)
724 reads
This is one of those typical blog posts that I write for my future self, the guy who keeps fixing the same stuff over and over and forgets what...
2019-08-28 (first published: 2019-08-16)
2,643 reads
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
Comments posted to this topic are about the item How We Handled a Vendor...
Comments posted to this topic are about the item Cognitive Coverage
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