Daily Coping 11 Jul 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...
2022-07-11
18 reads
Blog Posts
Extended Events for Anything But Query Tuning: xml_deadlock_report_filtered
One of my favorite little bits of information about Extended Events is the fact that everyone running a full instance of SQL Server has deadlock information available to them,...
2022-07-11
39 reads
How do I tell if identity_insert is turned on and if so what table?
TLDR; The code to do this is below but it’s a bit hokey and probably isn’t worth it. It’s pretty ... Continue reading
2022-07-11 (first published: 2022-06-24)
525 reads
The First 30 Days at a New Database Job
Over the last four years, ok it seems longer than that, I’ve started four jobs. A couple just weren’t good fits. One I was at for three years. I...
2022-07-11 (first published: 2022-06-27)
684 reads
usp_SQLServerCarpenter_Tools_Estimate_Cardinality
This procedure will estimate the cardinality of all the columns of the supplied table list. If the table list is not supplied (or supplied with NULL, the default value)...
2022-07-11
31 reads
usp_SQLServerCarpenter_Tools_Estimate_Ineffective_Indexes
This procedure will list down all the indexes (Clustered as well Nonclustered Indexes) whose first key column having poor cardinality.
2022-07-11
33 reads
usp_SQLServerCarpenter_Tools_Estimate_Nonclustered_Indexes_Clashing_With_Clustered_Index
This procedure will list down all the nonclustered indexes, which includes key columns as that of the clustered index. It will also list the key columns of both –...
2022-07-11
28 reads
usp_SQLServerCarpenter_Tools_GenerateTSQLCode_For_Get_Put_APIs
This procedure will generate SQL Code for Get and Put API's. This may be useful if you are developing your own data replication strategy to replicate data across multiple...
2022-07-11
48 reads
Daily Coping 8 Jul 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...
2022-07-08
46 reads
Preventing Noisy VM Neighbors for SQL
Last Updated on January 24, 2023 by John Morehouse In today’s modern world, virtualization is often used to help mitigate cost as well as to provide flexibility in scaling...
2022-07-08
24 reads
Blogs
AI Helps Me with My Sloppiness
By Steve Jones
I type fairly well. Well, I type fast, but I do wear out a...
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...
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