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)
424 reads
SQL In The Wild
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
24 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)
523 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
9 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)
2,361 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
16 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)
4,567 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
17 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)
2,214 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
12 reads
Blogs
From SQL Saturday to Day of Data
By ReviewMyDB
A behind-the-scenes look at Day of Data Jacksonville 2026, the transition from SQL Saturday,...
PostgreSQL 18 Finally Makes BUFFERS the Default. Here Is Why That Matters
You run EXPLAIN ANALYZE on a slow query, stare at the plan, and something...
A New Word: La Guadière
By Steve Jones
la guadière – n. a glint of goodness you notice in something that you...
Forums
BCA KCU ASIA | Tlp/Wa:0817866887
Tlp/Wa_Cs:0817-866-887. Jl. Asia, Simpang, Jl. Bakaran Batu No.1 C, Sei Rengas II, Kec. Medan...
non ascii columns in a utf-8 .txt file
hi, we couldnt get our upstream data source developers to supply what is sometimes...
PolyBase Trace Flags
Are there any good articles on all the trace flags that are enabled on...
Question of the Day
Running SQLCMD I
I run the SQLCMD utility as follows:
lcmd -S localhost -EI then type this (the 1> is the prompt):
1> select @@version goIf I hit enter, what happens? See possible answers