On table variable row estimations
At first glance, the question of how many rows are estimated from a table variable is easy. But, is it really that simple? Well, not really. To dig into...
2020-12-23 (first published: 2020-12-15)
400 reads
Gail Shaw
- Interests: Computer Graphics, Aikido, Roleplaying
On table variable row estimations
At first glance, the question of how many rows are estimated from a table variable is easy. But, is it really that simple? Well, not really. To dig into...
2020-12-15
5 reads
Pluralsight Free April
It’s a few days into April, but not too late I hope to mention that Pluralsight is offering their entire library, free to new accounts, for the month of...
2020-04-16 (first published: 2020-04-07)
478 reads
Pluralsight Free April
It’s a few days into April, but not too late I hope to mention that Pluralsight is offering their entire library, free to new accounts, for the month of...
2020-04-07
5 reads
A rant about presentations
My company’s internal conference is in a couple of weeks, so this seems like a good time to have a...
2018-05-04 (first published: 2018-04-24)
2,348 reads
A rant about presentations
My company’s internal conference is in a couple of weeks, so this seems like a good time to have a quick rant about some presentation failings I’ve seen over...
2018-04-24
10 reads
Revisiting catch-all queries
I originally wrote about catch-all queries early in 2009, just as something that I’d seen several times in client code....
2018-03-26 (first published: 2018-03-13)
4,249 reads
Revisiting catch-all queries
I originally wrote about catch-all queries early in 2009, just as something that I’d seen several times in client code. It turned into the 3rd most popular post ever...
2018-03-13
10 reads
Obsessing over query operator costs
A common problem when looking at execution plans is attributing too much meaning and value of the costs of operators.
The...
2018-02-22 (first published: 2018-02-13)
2,168 reads
Obsessing over query operator costs
A common problem when looking at execution plans is attributing too much meaning and value of the costs of operators. The percentages shown for operators in query plans are...
2018-02-13
5 reads
Blogs
AI Step 1
By Vinay Thakur
As this is an Artificial Intelligence (AI) World, things are changing. We can see that...
Beginner’s Guide: Building a Dockerized Todo App with React, Chakra UI, and Rust for Backend
In a containerized app, React and Chakra UI provide a robust and accessible user...
A New Word: Nachlophobia
By Steve Jones
nachlophobia – n. the fear that your deepest connections with people are ultimately pretty...
Forums
SSIS package works in VS but failed in SSMS
Please help and thanks. Package:Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has...
Need a list of stored procedures that execute multiple stored procedures
Hello SSC! I hope you all had a happy and safe holiday! Apologies if...
sql query to check status change of an item
I have a table dbo.tblPresentationStatus (sql script attached - table script.txt) I have to...
Question of the Day
The Funny SELECTs
What is returned from this query?
SELECT
( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate > '01/01/2011' AND soh.OrderDate < '01/01/2012') AS OrdersIn2000
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate > '01/01/2012' AND soh.OrderDate < '01/01/2013') AS OrdersIn2001
, ( SELECT COUNT (*) FROM Sales.SalesOrderHeader AS soh
WHERE soh.OrderDate > '01/01/2013' AND soh.OrderDate < '01/01/2014') AS OrdersIn2002; See possible answers