Speaking at SQLIntersection Orlando 2020
I’m very pleased to announce that I will be speaking at SQL Intersection April 2020! This is my first time speaking at SQL Intersection and I’m very excited to...
2020-02-08
25 reads
Blog Posts
How Do You Decide When Can Doesn't Mean Should?
An old proverb states, “Fire is a good servant but a bad master.” Put simply, it means that when controlled, fire is a life-sustaining element. We need it for...
2020-02-07
41 reads
New .NET Notebooks are here – PowerShell 7 notebooks are here.
Data Science folk used Notebooks for documentation and to show re-runnable research. Azure Data Studio included this notebook functionality and added SQL kernel where with a little bit of...
2020-02-07
75 reads
SQL Homework – February 2020 – Write a blog post.
Following along with last month’s documentation homework this month I want you to write a blog post. But Ken, what ... Continue reading
2020-02-07 (first published: 2020-02-03)
308 reads
Temporarily enable TLS 1.0/1.1? – Be sure you check this keys
There are some actions that we know that will have to be repeated from time to time, but the surprise comes when it’s time to do so and the...
2020-02-07 (first published: 2020-02-04)
4,949 reads
Performance Tuning with Computed Columns
Computed Column can be utilized to optimize the query performance. It can be leveraged, to make the query sargeable, to make proper use of available indexes.
In this article,...
2020-02-06
272 reads
Profiler: Time To Go
I’ve decided that, in fact, it is time to start moving people off the ancient technology, Profiler. Before, I always said, stay where you’re comfortable. However, keeping people comfortable...
2020-02-06 (first published: 2020-02-03)
880 reads
Tell Me About Your Worst Database Code Offenders
For years, I’ve done consulting around helping organizations tune their database platforms, both from within the database and underneath, to help boost performance and availability. Some database design or...
2020-02-06 (first published: 2020-02-03)
784 reads
CREATE TABLE MyTable (Col1 CHARACTER VARYING (50))
If you read the title to this post and your first thought was That’s not SQL is it? then you ... Continue reading
2020-02-05 (first published: 2020-01-27)
875 reads
I’m a DBA. Do I really need to know Kubernetes?
Welcome to February 2020. It’s the second month of the year 2020! I remember sitting at a server with SQL Server 6.5 installed on it, worrying about the Y2K...
2020-02-05
407 reads
Blogs
Prep data for AI vs. Fabric Data Agent Instructions: What Goes Where?
By James Serra
Making Data AI-Ready, Part 3 (This is the final article in a three-part series...
Keeping Track of my ConEmu CLIs
By Steve Jones
I use ConEmu for my terminal interface. I’m still on Windows 10 at home,...
10 Decisions to Make Before You Create A Fabric Workspace
Creating a Fabric workspace takes about 30 seconds. Restructuring workspaces after people have built...
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Adding new column with DEFAULT II
Comments posted to this topic are about the item Adding new column with DEFAULT...
Question of the Day
Adding new column with DEFAULT II
Which number did the two COUNT(*) return:
DROP TABLE IF EXISTS #tmp CREATE TABLE #tmp (id INT NOT NULL) INSERT INTO #tmp (id) SELECT gs.value FROM GENERATE_SERIES(1, 5) AS gs ALTER TABLE #tmp ADD my_value INT NOT NULL CONSTRAINT df_tmp_my_value DEFAULT 1 SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1 ALTER TABLE #tmp DROP CONSTRAINT df_tmp_my_value ALTER TABLE #tmp ADD CONSTRAINT df_tmp_my_value DEFAULT 2 FOR my_value SELECT COUNT(*) FROM #tmp AS t WHERE my_value = 1See possible answers