Synapse Analytics Spark Example 1 - Group By
I have been playing around with the new Azure Synapse Analytics, and I realised that this is an excellent opportunity for people to move to Apache Spark. Synapse Analytics...
2021-01-18
47 reads
I have been playing around with the new Azure Synapse Analytics, and I realised that this is an excellent opportunity for people to move to Apache Spark. Synapse Analytics...
2021-01-18
47 reads
The next example is how to do a ROW_NUMBER(), my favourite window function.
T-SQL SELECT *, ROW_NUMBER() OVER(ORDER BY dateTime) as RowNumber FROM chicago.safety_data Spark SQL SELECT *, ROW_NUMBER() OVER(ORDER...
2021-01-18
424 reads
When I first started working with Apache Spark, one of the things I struggled with was that I would have some variable or data in my code that I...
2021-01-17
46 reads
When I first started working with Apache Spark, one of the things I struggled with was that I would have some variable or data in my code that I...
2021-01-17
8 reads
in my last post I wrote about thinking of the tools as being a separate thing from the event. Not a complicated concept, but does it matter? Maybe. Let...
2021-01-16
6 reads
I think our profession was the better for having a professional association, even if it never quite did as much as I wanted it to. I put a lot...
2021-01-16
4 reads
I think our profession was the better for having a professional association, even if it never quite did as much as I wanted it to. I put a lot...
2021-01-16
177 reads
There has been a lot of noise over the last few weeks since it was announced that due to financial constraints related to canceling the in-person Summit due to...
2021-01-15
74 reads
SharePoint lists are popular and simple tools for storing modestly-sized discrete sets of data. SQL Server Integration Services (SSIS) includes a source component to allow reading data from SharePoint...
2021-01-15 (first published: 2021-01-09)
4,155 reads
I started to add a daily coping tip to the SQLServerCentral newsletter and to the Community Circle, which is helping me deal with the issues in the world. I’m...
2021-01-15
14 reads
By Steve Jones
At Redgate, we’re experimenting with how AI can help developers and DBAs become better...
I was messing around performing investigative work on a pod running SQL Server 2025...
By Steve Jones
Redgate recently released SQL Compare v16, which included a new feature to work with...
Comments posted to this topic are about the item What is Page Density
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Looking to confirm my understanding of these three products and how they can be...
In SQL Server, there is a concept of page density. This is determined by how much data is stored on each page. What is a page density of 90%?
See possible answers