AlwaysOn_health Extended Event Session
The AlwaysOn_health XEvent session is installed by SQL Server by default, and started by the Create Availability Group wizard when...
2018-07-25
3,011 reads
SQL Geek
AlwaysOn Dashboard uses System Policies
The AlwaysOn Dashboard is an excellent tool in SQL Server Management Studio that allows you to monitor Replica status, Availability...
2018-07-24
663 reads
Why Availability Databases Are Not Synchronizing?
If you are working on SQL Server Availability Group Databases, you may have seen that Availability Group is online but at-least...
2018-07-23
932 reads
Schedule an Extended Event to run at a Specific Time
When you are using the extended event to capture some data for troubleshooting purpose, you may want to start or...
2018-08-01 (first published: 2018-07-18)
5,308 reads
Another MVP Award – 2018-2019
Gladly sharing that I got the news of my MVP award on 1st July. I am happy, honored, and humbled...
2018-07-16
239 reads
Enable SQLCMD Mode in SQL Server Management Studio
SQLCMD mode in SSMS allows you to use the command line tool within SSMS. Using this feature of the SSMS,...
2018-06-07
16,268 reads
SQL Server Stress Testing Using OStress – RML Utilities
As a DBA, implementing a new database consists of a variety of aspects like correct table structure, tuning the stored...
2018-05-28 (first published: 2018-05-21)
7,244 reads
Find Query with Implicit Conversion in the Plan Cache
In my previous blog, I discussed about “Which are the queries using a particular index or table?“. Today’s post, I am...
2018-05-13
3,073 reads
Which are the queries using a particular index or table?
The DMV sys.dm_db_index_usage_stats and sys.dm_db_index_operational_stats give you excellent detailed information about how the indexes are being used and what operations...
2018-05-07
1,092 reads
Determine Referenced Objects in the Stored Procedures
It is very common to see in a relational database that stored procedures are using many Tables, Views, Sequence Object,...
2018-05-01
1,807 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