2015-12-21
336 reads
drsql@hotmail.com
- Website: https://drsql.link
Mind your Database Ps and Qs
Louis Davidson explains why a little database courtesy goes a long way.
2015-11-16
241 reads
What counts for a DBA: Responsibility
Whose fault is it if a database is hacked and its contents appear on a hacker’s site? Louis Davidson suggests that, regardless of limitations, the DBA always bears some responsibility.
2014-12-22
175 reads
2014-11-24
177 reads
A DBA at the Opera
In opera, tragedy or absurdity happens because the characters are incapable of standing back, and making a difficult decision. Instead, at every stage, they just drift towards their fate by taking the easy option. Don't let the same fate befall you, as a DBA.
2014-08-04
131 reads
DBAs and the Fear Factor
Louis Davidson on why DBAs ought to do one thing, every day, that is scary.
2014-07-07
254 reads
Just Enough know-how
As a professional, our knowledge of a given task should extend, at a minimum, one level deeper than is strictly necessary to perform the task. Anything deeper can be left to the ridiculously smart, or obsessive, or both
2014-05-12
134 reads
DBA Dreams
Louis Davidson on the small dreams that DBAs can nurture, each day, to elevate the drudgery of a seemingly banal task into a celebration of purpose.
2014-03-03
179 reads
What Counts for a DBA: Deduction
Like Sherlock Holmes, a DBA needs the sound deductive reasoning to pinpoint the root cause of a crime, in amongst a thousand interesting but irrelevant details.
2013-11-18
147 reads
What Counts for a DBA: Patience
Technical debt is frustrating but dealing with it requires patience. Louis Davidson explains why.
2013-09-02
159 reads
Blogs
Automated SQL Server Benchmarking with HammerDB and Docker: A Complete Testing Framework
I’m excited to announce the release of a new open-source project that fully automates...
T-SQL Snapshot Backups on Availability Group Secondary Replicas
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
The Book of Redgate: Hours
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
Forums
Optional Parameter Plan Optimization in SQL Server 2025: Fixing the Kitchen-Sink Search Procedure
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
AI Experience Gap that we keep talking about
Comments posted to this topic are about the item AI Experience Gap that we...
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