2016-01-19
1,340 reads
2016-01-19
1,340 reads
There is a stored procedure that must be run by only one user at a time. In this tip, learn how to prevent multiple users from running the stored procedure at the same time.
2014-04-24
6,094 reads
Introduction into Locking, Blocking and Deadlocks in SQL Server, and why SQL Server uses these actions.
2013-11-18
10,346 reads
2013-08-02
1,935 reads
2013-06-20
2,400 reads
This article describes how the identity property was used to resolve contention in a database
2013-03-22 (first published: 2011-02-24)
18,315 reads
2010-02-18
3,592 reads
Satish More brings us a framework that you can use to execute a number of jobs in parallel and finish a task quickly.
2009-10-12
11,706 reads
2008-09-05 (first published: 2008-07-10)
2,676 reads
Using the default SQL Server READ COMMITTED isolation level, my application sometimes falls victim to the dreaded "lost update" condition where two of my users edit the same row for update but the user who submits his/her change last overwrites changes made by the other user. Is there a good way to check for this and prevent it?
2008-06-02
3,771 reads
By Steve Jones
I love Chicago. I went to visit three times in 2023: a Redgate event,...
By Brian Kelley
I have found that non-functional requirements (NFRs) can be hard to define for a...
By Kevin3NF
Can we normalize a couple of things? 1 – Trade Schools. Back in the...
Testing with AG on Linux with Cluster=NONE. it was all going ok and as...
Hi, I have two tables: one for headers with 9 fields and another for...
We're trying to understand how quick new versions of SQL server can be. Obviously...
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