SQL Server Execution Plan formats
Execution plan helps in knowing how a query gets executed and troubleshooting a query which is performing poor. In SQL...
2016-09-14
853 reads
Kapil Blogs
Importance of Database Backup In SQL Server
Overview To save any organisation from any big future loss, one needs make a proper strategy or disaster plan that...
2016-09-01
493 reads
Limitation of In-Memory OLTP in SQL Server 2016 – Sp_rename not allowed
Hi friends, one more limitation of In-Memory OLTP is SQL Server 2016 is that sp_rename is not allowed to change...
2016-07-21
508 reads
Getting started with In Memory OLTP in SQL Server 2016 – Part 1
In Memory OLTP (Hekaton) introduced in SQL Server 2014 is a new database engine component which is optimized for OLTP...
2016-07-18
706 reads
Limitation of In-Memory OLTP in SQL 2016 – Create Index is not supported
Hi friends, in this blog I will discuss another limitation of In Memory OLTP in SQL Server 2016. Once you...
2016-07-17
479 reads
SQL Server – How to retrieve SQL plans from Cache
Hi friends, in this blog post I will tell you how we can retrieve the SQL plan from the cache....
2016-07-13
661 reads
SQL Server – String_Escape function in SQL Server 2016
Hi friends, in SQL server 2016 another string function that introduced is String_Escape. This function can escape special characters within...
2016-07-10
1,523 reads
Microsoft SQL Server 2016 Certifications Announced
Hi friends, Microsoft has announced the release of three new SQL 2016 certifications, based on the different working database professional’s...
2016-07-08
805 reads
SQL Server – STRING_SPLIT function in SQL Server 2016
Hi friends, in SQL server 2016 another new function STRING_SPLIT gets introduced which helps in splitting the character expression using...
2016-07-06
719 reads
SQL Server – Rollback transaction completely in case of error
Hi friends, I recently found an issue while inserting data into table during transactions that transaction will not completely rollback...
2016-05-26
667 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