Synapse Analytics and .NET for Apache Spark Example 3 - CTE()
The next example is how to do a CTE (Common Table Expression). When creating the CTE I will also rename one of the columns from “dataType” to “x”.
T-SQL WITH...
2021-01-19
69 reads
What is the CONTROL permission?
One of the most powerful permissions available in SQL Server is control. But what exactly is it? Per BOL: CONTROL: ... Continue reading
2021-01-27 (first published: 2021-01-19)
553 reads
Daily Coping 19 Jan 2021
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...
2021-01-19
27 reads
Server Review Essentials for Accidental and Junior DBAs—Setting Up (Part 1)
Welcome to a new year, and a new look at what I’ve learned in my time as a beginner and junior DBA. So, I’ve been in this DBA gig...
2021-01-28 (first published: 2021-01-19)
662 reads
A Non-Technical Reason to Not Use SELECT *
I got a merge a while back that included a change I wasn’t expecting from one of my developers. All they were doing was renaming a column on a...
2021-01-19
21 reads
Azure SQL vCore vs DTU
If you are building database solutions in Azure , using Azure SQL Database then you will know that you have a purchasing option decision to make. That being should...
2021-01-19
309 reads
A Non-Technical Reason to Not Use SELECT *
I got a merge a while back that included a change I wasn’t expecting from one of my developers. All they were doing was renaming a column on a...
2021-01-19
9 reads
Create an S3 Lifecycle Policy with PowerShell
First, I’m a big believer in doing infrastructure as code.
Using the AWS SDK with any library is great, but for things like S3 I’d highly recommend you use a...
2021-03-24 (first published: 2021-01-19)
124 reads
Synapse Analytics and .NET for Apache Spark Example 2 - ROW_NUMBER()
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
15 reads
Synapse Analytics and .NET for Apache Spark Example 2 - ROW_NUMBER()
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
63 reads
Blogs
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
Forums
Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
AI Experience Gap that we keep talking about
Comments posted to this topic are about the item AI Experience Gap that we...
Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers