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SQL Server 2014 CTP 1 – Installation failure

Recently I was trying to install SQL Server 2014 CTP 1 on my Windows Server 2008 R2 Virtual Machine to explore SQL Server 2014. What I encountered was a failure of a rule “Previous SQL Product installation” ———————————— Rule Check Result ————————————- Rule “Previous SQL product installation” failed. A SQL product other than SQL Server…

SMB File Share and SQL Server: An option to consider

Introduction When we relate file share and databases, many people will turn up their noses – but today this is a reality that we can use even in production. Microsoft spent the last years working on improvements to the Server Message Block (SMB) which is much more reliable today, than ever before. In the past,…

Preventing runaway queries using Resource Governor

Section A (Theory) One of the typical reasons for performance issues is runaway queries executed by end users on a busy production database. This problem is fairly common in OLAP or shared systems (OLTP/OLAP) where business users begin executing complex (and often poorly written) queries, leaving their office for hours, and expecting their data to…

Why was SSHD refusing my key?

I was contacted by a colleague about a problem he was having. “I’m trying to set up something simple which I’ve done millions of times, but it’s not working. I might be missing something obvious.” The issue was that the SSH public key authentication didn’t work. The environment was running a virtualized Oracle Enterprise Linux 6.4…

Running JRE7 alongside JRE6 for Oracle Forms

DBAs working in a managed services environment often run into situations where some customers are still running JRE6 while others have upgraded to latest JRE7. When JRE7 is installed on a Windows desktop, it becomes the default JRE and gets invoked when users access Oracle forms. This creates all kinds of issues for users who…

Log Buffer #346, A Carnival of the Vanities for DBAs

Economist says that Physics suggest that storms will get worse as the planet warms. Typhoon Haiyan in Philippines, bush-fires in Australia, floods in China, and extreme unpredictable weather across the planet is a sober reminder. Good news is that technology and awareness is rising, and so is the data. Database technologies are playing their part…

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