William Brewer is a SQL Server developer who has worked as a Database consultant and Business Analyst for several Financial Services organisations in the City of London. True to his name, he is also an expert on real ale.
For many developers, database security and Access control is just something that gets in the way of development work. However, several recent security breaches have had devastating consequences and have caused a change in attitude about the value to any organisation of having database applications that meet industry standards for access control and security. The problem, however is in admitting that you have a problem and finding answers to those problems you are just too shy to ask in public. … Read more
Not long ago, I was having to do a fairly simple DBA task onsite. It involved database provisioning by copying a database from one server to another, something I’ve done countless times. I was taking a backup of the source and restoring it under another name on the other server to create the target database. … Read more
Several database backup providers are now offering ‘Database Backup to the Cloud’, or ‘Backup As A Service’ (BaaS). There is little consensus within the industry as to what this actually means in terms of the service offered. ‘Cloud Backup’ can mean little more than copying database backups to Cloud ‘file lockers’ such as DropBox, but can include enterprise-wide solutions with central management, one-click restore, advanced compression over the network, aggregation of links to increase bandwidth, express dispatch of a hard drive with the data on request (e.g. AWS Import/Export), and minimization of storage requirements using deduplication. The main attraction of any of these ‘cloud’ services is that they provide offsite database backups. The more sophisticated solutions provide a way of meeting a company’s Disaster recovery requirements at a lower capital cost and in a way that includes outlying data in a company-wide backup regime. The simpler offerings aim to provide regular automatic offsite database backup where there was none before.… Read more
Although it is well-known that the best efforts of a development team can be derailed by mistakes in the architecture, design and general governance of a development project, few attempts have been made to describe what needs to be done to increase the chances of success in the development of a database application. William Brewer steps into the breach to itemise what a delivery team needs to succeed.… Read more
With the new range of cross-platform runtime-systems, based on WebKit and Node.js, we developers are once again offered the lure of being able to write one application that, with minor differences, works in the browser as a cloud application, on the desktop PC, and in mobile devices. If you are already versed in the culture … Read more
There are few parts of SQL Syntax as familiar as the GROUP BY clause of the SELECT statement. On the other hand, CUBE and ROLLUP remain mysterious despite their usefulness and GROUPING SET is positively arcane, especially if you are too shy to reveal your ignorance of the subject by asking!… Read more
What is IT Compliance and is it really necessary for contemporary Agile applications to be constrained by the requirements of compliance? William Brewer argues that if the objective is rapid delivery of applications, then compliance controls must be understood as early as possible in development.… Read more
It is not just the rapid and painless testing, deployment and update of databases that requires care in the retention and management of configuration information. Configuration information is also essential for audit, resilience, and support. The range of documentation varies widely with the database and its setting, but the underlying principles remain the same. Without appropriate configuration management, automation is likely to be futile.… Read more
Planning for disaster recovery and business continuity aren't amongst the most exciting IT activities. They are, however, essential and relevant to any Database Administrator who is responsible for the safety and integrity of the companies' data, since data is a key part of business continuity.… Read more
As part of our long-running Cribsheet series, we asked William to write a guide to deployment that described in general terms what is involved in the deployment of a database application, and the sort of issues that one is likely to come up against. … Read more
As part of our long-running Cribsheet series, we asked William to come up with a brief summary of what was involved in bringing database development work under source control. What are the advantages it brings, and are there disadvantages?… Read more
William Brewer turns a jaundiced eye to the task of laying out web pages using CSS, and gives some nuggets from years of occasional page design. It is, of course, set with a a stylesheet he's come up with to demo a few of his points.… Read more
Everybody knows how to call stored procedures from a .NET application. Right? But then, how often do you see stored procedures used to their full advantage in database applications? William Brewer goes through some of the basics, but uses PowerShell and IronPython as well as VB.NET as the example .NET applications just to freshen the subject up a bit, and avoids all mention of Northwind or AdventureWorks!… Read more
The easiest way to speed up an Ajax application is to take out the 'X' and use JSON rather than XML. Of course, it isn't that simple, as William Brewer explains, but JSON, and YAML, are fascinating solutions to the old problem of transferring complex data between modules, services and applications, nonetheless.… Read more
William Brewer takes a look at the whole topic of SQL Code layout and beautification, an important aspect to SQL programming style. He concludes that once you are tired of laying SQL out by hand, you had better choose a tool with plenty of knobs to twiddle, because nobody seems to agree on the best way of doing it… Read more
In this short article, the second of a 2-part series, William suggests a solution, using SQL Data Compare 6.1, for providing an independent cross-check of database transactions to determine whether they have been retrospectively altered. … Read more
If there is one thing that developers and users always seem to disagree on, it is the relative importance of documentation. We take a look at the whole technology of producing Help and Documentation for tools and applications, and then review one particular product; EC Software's Help & Manua… Read more
In TSQL there is a limit to the way you can compare text strings. They're either equal or not. Sooner or later, usually when cleaning data, something more subtle is required!… Read more
SQL Server Endpoints are database objects that define the ways and means that SQL Server 2005 communicates on the network. Any DBA working with SQL Server 2005 will soon need to become familiar with them, particularly if using SOAP, Service Broker or Database Mirroring.… Read more
William Brewer argues that, although there are technologies around that will minimise downtime in most circumstances, they are only part of the solution. At the heart of every robust system, there is planning, documentation, scripting, testing and drill. … Read more