If you are a SQL Server DBA, you realize that the performance of cursors is not great and they should be avoided where possible. One place it is difficult to avoid cursors is individual row processing within a trigger. Amin Sobati brings us a new article that shows just how you can avoid this.
2007-12-28 (first published: 2006-12-07)
47,601 reads
Writing complex queries can be a little tricky, especially when you get into outer joins and inequalities. New author Amin Sobati takes a look at a tricky situation with the "Not Equal To" operator and shows how you can avoid inaccurate results.
2006-08-23
14,790 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
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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