In this week’s Computer Weekly, we look at the IT challenges facing retailers, as consumers turn increasingly to web and mobile shopping channels. Oracle president Mark Hurd talks about how the supplier intends to simplify IT infrastructures. And new government CIO Andy Nelson discusses how he plans to transform Whitehall IT. Read the issue now. 

This week’s Computer Weekly kicks off our Buyer's Guide to data security by looking at the changing role of the IT security chief. We also examine why flexible working is proving so slow to roll out and we talk to the UK's air traffic control operator about its ambitious desktop virtualisation project. 

Cleantech is emerging as a suitable alternative source of energy or a means of reducing  consumption of expensive resources, this report from Grant Thornton reveals. 

This white paper provides a technical overview of Oracle Real Application Clusters 11g Release 2 with an emphasis on the features and functionality that can be implemented to provide the highest availability and scalability for your enterprise applications. 

Read this white paper to get an overview of the Oracle Database family of products and learn how you can transform your business, budgets, and service levels with Oracle Database 11g Release 2. 

This technical white paper is the second in a series that is designed to help map I/O best practices from the physical world into the virtual world supported by logical domains. 

This report from Deloitte argues businesses are again investing in IT to provide the differentiation and innovation critical from their competitors despite the downturn. 

This white paper examines how the Sun Oracle Exadata Storage Server allows companies to accelerate database performance, handle change and growth in scalable and incremental steps, and deliver mission-critical data availability and protection. 

This free white paper shows that Oracle WebLogic Suite packages many essential middleware capabilities to help organizations implement application grid concepts. Learn how to create an infrastructure layer that pools and dynamically provisions the resources on which business applications and SOA run. 

Digital Britain is the UK government’s strategic vision for the UK digital economy. While social inclusion and rights protection are major themes, the plans will also have a significant impact on businesses. 

This week’s Computer Weekly, we talk exclusively to Tesco CIO Mike McNamara about why the UK's biggest retailer is spending £150m on its online business. And, with the London 2012 Olympics only weeks away; we look at how IT testing is progressing. 

Cloud computing is one of the hottest topics in IT today, but many IT professionals are struggling to determine how best to achieve cloud's promises of agile deployment and elastic capacity without losing control over data, security, and quality of service. 

This has been a landmark year for Oracle, the technology company headed by the charismatic and staggeringly wealthy Larry Ellison. Ellison, who is 65, has been chief executive officer since he founded Oracle in June 1977. He was listed the sixth richest person in the world in 2010.