AlwaysOn Data Synchronization in Synchronous and Asynchronous Mode
When you are working on the AlwaysOn feature, it is crucial to understand how the AlwaysOn commit process works. This...
2018-08-15
5,710 reads
SQL Geek
Fastest Way to Find Row Count of All Tables From All Databases in SQL Server
There are many times you as DBA or Developer needs to get all row count from all tables or row...
2018-08-13
8,233 reads
Snapshot Agent Acquires schema modification (SCH-M) lock on all the articles of a publication
As the business requirement, It is very common to see a request for adding a new article or subscription to...
2018-08-22 (first published: 2018-08-06)
2,034 reads
SQL Server Enterprise Edition-Core VS Server+CAL – Demo on differences
In this blog, I am NOT going to discuss the SQL Server licensing model. If you are looking for that...
2018-08-03
2,476 reads
How to Change SQL Server License or Product Key?
Yesterday, I was doing SQL Server Database stress and benchmarking testing on the client side. When I started ramping-up more...
2018-08-02
136,659 reads
Have you ever wonder why Log Send Rate doesn’t show against Primary Replica on the AlwaysOn Dashboard?
Recently, I was working on the AlwaysOn Availability group issue where the log records were not moving from primary to...
2018-08-01
470 reads
Failed to join local availability replica to Availability Group – SQL Server error 41106 and 41158
When you configure SQL Server AlwaysOn Availability Group from management studio, it may fail with below error while joining secondary...
2018-07-31
15,789 reads
Disable or Turn-off SQL Server Telemetry Service
With SQL Server 2016, Microsoft is installing SQL Server Telemetry or CEIP (Customer Experience Improvement Program) Services by default. It...
2018-08-13 (first published: 2018-07-30)
66,758 reads
Adding File to Database in AlwaysOn Availability Group
When a database is part of AlwaysOn Availability Group, it means whatever commands we are executing on Primary replica database,...
2018-07-27
6,154 reads
Save the Connection String Parameters in SSMS – AlwaysOn
In the SQL Server AlwaysOn setup, whenever you are using a listener to connect to a secondary node, you have...
2018-08-10 (first published: 2018-07-26)
2,584 reads
Blogs
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...
Monday Monitor Tips: Virtual Machine Usage and Cost
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
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