SQL Server – Conditions when value of @@error changes
Hi friends, when we do error handling in our SQL code we use different methods like TRY/CATCH, RAISERROR etc. to...
2016-06-02 (first published: 2016-05-24)
1,365 reads
Kapil Blogs
SQL Server – Change in Identity() Property during transactions
Recently while working on a scenario I found that in case of transaction if you are doing insertion operation on...
2016-05-16
558 reads
Find Unused Database Objects in SQL Server
Overview SQL Server, a relational Database management system is mainly used for storing and retrieving data whenever required by its...
2016-05-12
581 reads
SQL Server – Cleaning Procedure Cache for a particular database
HI friends, most of the time we used DBCC FREEPROCCACHE to clear the procedure cache, clears the specific plan from...
2016-05-11
576 reads
SQL Server – Row Level Security in SQL Server 2016 – Part 3
Hi friends, continuing from the previous post in this post we will learn how to add the blocking predicate to...
2016-05-09
1,014 reads
SQL Server – Row Level Security in SQL 2016 – Part 2
Hi friends, in my previous post we have learnt how to implement Row Level Security feature in our database. You...
2016-05-13 (first published: 2016-05-05)
1,490 reads
SQL Server – Row Level security in SQL Server 2016 – Part 1
Hi friends, in SQL 2016 several new security features gets introduced which will help users to protect their data in...
2016-05-03
479 reads
Limitation of In-Memory OLTP in SQL Server 2016 – Merge not supported with memory tables as target
Hi friends, in this post we will discussed another limitation of In-Memory OLTP that in-memory tables as a Target in...
2016-02-12
616 reads
Limitation of In-Memory OLTP in SQL Server 2016 – Seed and Increment value other than 1 not supported
Hi friends, in this blog we will discussed another limitation of In-Memory OLTP that seed and increment value other than...
2016-02-09
527 reads
Limitation of In-Memory OLTP in SQL Server 2016 – TRUNCATE table not supported
Hi friends, another limitation that we will discussed is TRUNCATE table command is not supported with memory optimized tables. Let’s...
2016-02-03
1,390 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