Voluntary Constraint?
In which Phil Factor argues that Domain Constraints are a fundamental part of the relational database. If he had to sacrifice a feature of relational databases, it wouldn’t be domain constraints.
2012-01-02
110 reads
Editorials
The Data Resolutions
The last Friday poll of 2011 has Steve Jones asking about what you want out of 2012.
2011-12-30
124 reads
2011-12-29
144 reads
Data and Privacy
Users often have a certain expectation of privacy about their data in applications, and as software engineers, Steve Jones thinks we need to respect that.
2011-12-28
114 reads
Set a Networking Goal For The Year
Today we have a guest editorial from Andy Warren. Today Any asks you to think about your career and your network for 2012.
2011-12-27
112 reads
All I want for Christmas
This Friday before Christmas, Steve Jones has a fun poll. What would you like for Christmas? Any fun, interesting, fascinating tech toys?
2011-12-23
113 reads
GOTO and T-SQL
Today we have a guest editorial from Phil Factor as Steve is on vacation. This piece looks at the complaints against GOTO and whether they are valid.
2011-12-22
894 reads
Your Boss Is Your Customer
Today we have a guest editorial from Andy Warren. Andy talks about the relationship with your boss, and how you ought to view them as your customer.
2011-12-21
233 reads
Pride and Security
When an employee has pride in their company, they tend to do a better job, and Steve Jones says that extends to security.
2011-12-20
123 reads
The Connections Launch Event
SQLServerCentral will be hosting a track at the 2012 spring SQL Server Connections conference and we hope to see you there.
2011-12-19
68 reads
Blogs
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...
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...
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