Many people have published high performance, read-less, Inline Table Valued functions that use Itzik Ben-Gan's wonderful "Virtual Numbers Table" to replace WHILE loops and other forms of RBAR. This one is Jeff Moden's version.
2019-08-13 (first published: 2019-08-04)
8,362 reads
Previous Monday to the Start of the Previous Quarter
2019-07-29 (first published: 2019-07-18)
570 reads
This view will list all completed and running jobs. It give running times, current step (if active) and average run times for steps.
2019-07-22 (first published: 2019-03-21)
2,021 reads
I realize that this is a bit of a lengthy script for something that you can use a one liner in the power shell:
Example:
Get-ADUser
But I needed to highlight certain properties of given user and take certain actions based on the values. And the result is this power shell script.
2019-07-15 (first published: 2019-07-02)
1,285 reads
A script to drive SQL Compare for building upgrade scripts.
2019-07-11 (first published: 2019-06-26)
2,168 reads
A function to add or subtract working days taking into account weekends and using a table of non-working days.
2019-07-10 (first published: 2019-06-26)
5,258 reads
2019-07-09 (first published: 2019-05-01)
942 reads
This Script will read the Estimated Time for recovery from Error Log
2019-07-08 (first published: 2019-06-26)
727 reads
You find you are querying a vendor supported database where you're not allowed to make any collation changes, and which has a weird collation setup: default DB collation that matches your server and other databases all character related columns are explicitly a different collation that does not match your DB or server collation Rather than […]
2019-07-05 (first published: 2019-06-26)
4,449 reads
Security is probably one of a production DBA's most important tasks and if developers use application or service accounts to run queries in your production environment you need to identify then and prohibit it. I notice some unwanted activity after staring a new job and decided to create a script that notifies me via email when […]
2019-07-04 (first published: 2019-06-26)
2,287 reads
When I put together the invitation for T-SQL Tuesday #202, I wasn't sure what...
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
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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