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)
442 reads
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)
442 reads
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
36 reads
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)
531 reads
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
19 reads
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)
2,372 reads
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
19 reads
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)
4,670 reads
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
25 reads
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)
2,223 reads
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
20 reads
By Steve Jones
Next week I’m at VS Live in San Diego (register and join me) and...
Ten years ago today, I filmed a Pluralsight Play by Play on open source...
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
Comments posted to this topic are about the item Databricks Genie Spaces for SQL...
Comments posted to this topic are about the item The Costs of Multiple Platforms
Comments posted to this topic are about the item RegEx Functions II
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^d') AND BusinessEntityID IN (7,8)See possible answers