SQLite and the Performance Implications of Indexes
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
492 reads
Indexes make an enormous difference in the read speed of a databases. I have previously mentioned that adding proper indexes...
2017-02-05
492 reads
It is occasionally usefully to display a different values in an Access combo box than what is actually stored in...
2016-10-13
433 reads
Python Distributions Python is free and open source software. A programmer could download the executables for Python directly from the...
2016-07-01
563 reads
When doing technical writing, or for that matter most forms of writing , we need to be able to refer to...
2016-02-17
644 reads
The people at Webucator were kind enough to make a video based on my article on dealing with SQL Server...
2015-11-17
381 reads
Although generally I prefer to create custom interfaces for my databases using fully developed programming languages like Python or C#....
2015-07-03
476 reads
I have been thinking about resumes a great deal lately. Since I recently passed the Bar Exam, I have been...
2015-06-14
536 reads
I was recently doing some testing that required a fairly large table. I created the test table, and set it...
2014-05-26
788 reads
I have seen people build procedures that rely on a result set being returned in a certain order. This is...
2013-09-14
736 reads
SQL Server uses a three valued logic with True, False, and Unknown. And, normally, SQL Server Nulls are not comparable....
2013-08-21
1,270 reads
Data isn't just about numbers and spreadsheets. It holds stories, patterns, and the answers...
By Brian Kelley
When I look at a system and think about its security model, the first...
On Wednesday May 15th 2024 I will give a free webinar on MSSQLTips.com about...
Carisol 350mg is the main ingredient. Its powerful formulation, which includes the active ingredient...
Comments posted to this topic are about the item The "ORDER BY" clause behavior
Comments posted to this topic are about the item Are IT Certifications Still Relevant?
Let’s consider the following script that can be executed without any error on both SQL Sever and PostgreSQL. We define the table t1 in which we insert three records:
create table t1 (id int primary key, city varchar(50)); insert into t1 values (1, 'Rome'), (2, 'New York'), (3, NULL);If we execute the following query, how will the records be sorted in both environments?
select city from t1 order by city;See possible answers