SQL Server Reporting Services provides several ways to analyze the data; a few of them are creating reports with indicators and Gauges. Indicators are minimal gauges that convey the state of a single data value at a glance and are mostly used to represent the state value of Key Performance Indicator (KPI, a measurable value which has business significance with a specific target or goal that indicates whether things are going good or bad).
An outage at SQLServerCentral reminded Steve Jones that it's not "if" a disaster will occur, but "when" it will occur that should have you preparing for a disaster at some point in the future.
When writing T-SQL, a lot of developers use either COALESCE or ISNULL in order to provide a default value in cases where the input is NULL. The two functions do have quite different behavior and it is important to understand the qualitative differences between them when using them in your code.
This article looks at the bulk-logged recovery model in depth and examines how it affects disaster recovery and logging.
Security is becoming more of an issue for mobile devices as we store and access more information on them all the time.
Steve Jones talks about security, and the developer's role in ensuring secure code.
The Term 'Big Data' is nothing more than a fad, and we'll soon be cringing with embarrassment at the thought that we ever used it. However, the data, and the challenges to processing it that it presents, will stay with us. If jargon like 'Big Data' helps us focus on the problems, then let’s use it: temporarily, perhaps.
Red Gate Software has released SQL Backup Pro 7 with pioneering new features focused on SQL Server backup verification. SQL Backup Pro 7’s step-by-step scheduling wizards aim to simplify the process of restoring and verifying backups.
This Friday Steve Jones is looking to see how you might like to improve your educational materials. With the success of our Stairway Series, we are looking to find better ways to teach people about SQL Server.
With SSIS, you can perform a lookup on data in the course of a task, using referenced data from any OLE DB source. It is a useful feature that enables you to check on the validity of data, or interpret it before proceeding. Robert Sheldon explains.
I’m excited to announce the release of a new open-source project that fully automates...
One of my favourite features of SQL Server 2022 was the T-SQL Snapshot Backups....
By Steve Jones
I have said and written this many times: Redgate Software is the type of...
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
Comments posted to this topic are about the item AI Experience Gap that we...
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