Webinar – Intro to Azure Data Factory

I’m excited to announce I’m giving a webinar for MSSQLTips.com, with “Introduction to Azure Data Factory” as the subject. The webinar will take place at Tuesday May the 3th,...

Azure IoT Central

This is a short blog to give you a high-level overview on a product called Azure IoT Central. I saw this fairly new Azure product (GA Sept 2018) in...

Daily Coping 11 Apr 2022

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...

KQL Series – how not to waste $ running ADX clusters

This blog post is based on my personal experience running an Azure Data Explorer (ADX) cluster. I was doing a presentation for Data Platform Summit in India, I spun...

Query Hash and Query Plan Hash Mapping

The problem
As a fan of Dynamic Management Objects (DMOs), Query Store and Extended Events, I often work with the Query Hash and Query Plan Hash (I’ll refer to them...

Daily Coping 8 Apr 2022

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...

Quick Tip: Remove CONVERTCAST from your WHEREJOIN clauses

Quick Tip Remove CONVERT/CAST from your WHERE clauses and JOINS when comparing to variables of different data types. Set their data types to match your table definitions before using...

The Summit is Back in Person

Registration for the Data Community Summit opens today! You can sign up and come to Seattle in November with all the other data platform pros that you’ve missed seeing...

Daily Coping 7 Apr 2022

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...

KEEP PLAN Demystified

Foreword
I was always wondering what the KEEP PLAN hint does. The documentation isn’t very specific (emphasis mine):

Forces the Query Optimizer to relax the estimated recompile threshold for a query.

In...