Azure Data Factory Interview Questions and Answers
Get a few common questions and possible answers about Azure Data Factory that you may encounter in an interview.
2022-06-03
4,496 reads
Randheer Parmar
Understanding the Mapping Data Flow Activity in Azure Data Factory
Learn about using Mapping Data Flows in Azure Data Factory.
2022-04-25
10,033 reads
Migrating SSIS packages to Azure - Lift and Shift using Azure Data Factory
Unlike an on premises SQL Server, Integration Services (SSIS) works very differently on Azure. If there are requirements to run our existing SSIS packages on Azure, then we need to understand our options. In this article we will talk about our options for migrating SSIS to Azure and what components are required to migrate SSIS packages. […]
2021-04-05 (first published: 2021-03-22)
9,891 reads
Using ADF to Upload Disparate CSV Files into Azure MySQL
In this article our objective is to showcase how to leverage Azure Data Factory (ADF) and a custom script to upload data in Azure MySQL database when we have CSV files with different schemas. As there is no straightforward way to upload data directly using ADF for this given scenario, it will actually help to […]
2021-03-04
3,301 reads
Blogs
Automatic Index Compaction
By ReviewMyDB
Index maintenance has always meant nightly jobs and a window you have to defend....
The Goldilocks problem – Materialized Views
I’m sure you’ve all heard the tale of Goldilocks and the Three Bears, but...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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