Plan Metrics Without the Plan: Trace Flag 7412
I place a lot of emphasis on capturing actual execution plans because of the runtime metrics, but with Trace Flag...
2018-06-19 (first published: 2018-06-11)
1,801 reads
Blog Posts
Removing a secondary replica database in Always On SQL Environment
Removing a database from an Always On availability group is pretty straight forward and can be accomplished by either ssms...
2018-06-19
134 reads
South Florida Vacation Notes
I extended my trip to SQLSaturday South Florida for a couple days vacation. If I’m going to drive 3-1/2 hours...
2018-06-19
338 reads
SQL Saturday Houston is this weekend
I’m speaking along with many other amazingly talented professionals, including Adam from Guy In A Cube. If you’re in the...
2018-06-19
319 reads
SQL Server 2017 – SELECT INTO [A SPECIFIC FILEGROUP]
Forget about Adaptive Query Processing for a minute, what other feature have I been waiting for? SELECT INTO a specific...
2018-06-19
587 reads
SQLSat Houston This Weekend!
The wife and I are making the road trip this weekend to SQLSat Houston and we're both speaking!This SQLSaturday Houston is going to be great - looking forward to...
2018-06-19
14 reads
Verify Allocation Unit Size for SQL Server
Why Do I Care? Everything in SQL Server is stored on disk in 8K pages. The Microsoft recommended best practice...
2018-06-19
707 reads
Verify Allocation Unit Size for SQL Server
Why Do I Care? Everything in SQL Server is stored on disk in 8K pages. The Microsoft recommended best practice...
2018-06-19
85 reads
Analytics Platform System (APS) AU7 released
The Analytics Platform System (APS), which is a renaming of the Parallel Data Warehouse (PDW), has just released an appliance update (AU7), which is...
2018-06-18
646 reads
Analytics Platform System (APS) AU7 released
The Analytics Platform System (APS), which is a renaming of the Parallel Data Warehouse (PDW), has just released an appliance update (AU7), which is...
2018-06-18
611 reads
Blogs
T-SQL Tuesday #202 SQL Server Outage You’ll Never Forget: A Roundup
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
A Last Minute Trip to the EU
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
Part 3 of 3: Tuning DiskANN — R, Alpha, L, Beam Width, Recall and Latency
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
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Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers