bobbydurrettdba.com bobbydurrettdba.com

10128 trace to see partition pruning

I am working on an SR with Oracle support and they asked me to do a 10128 trace to look at how the optimizer is doing partition pruning.  I did some quick research on this trace and wanted to pass it along. Here are the names of the two Oracle support documents that I found most helpful: How to see Partition Pruning Occurred? (Doc ID 166118.1) Partition Pruning Min/Max Optimization Fails when Parallel Query Run in Serial (Doc ID...

blogs.fasthosts.co.uk blogs.fasthosts.co.uk

The Cloud

What is it? There are many different interpretations of ‘The Cloud’.  We define it as a popular term used to describe technology which is provisioned over the internet and is typically located off-premise. How does it work? Cloud servers allow the user to host or use resources without actually having the server physically in-house. Multiple users share space in the cloud without ever sharing data or affecting one another, in fact...

javaworld

Over 30 vulnerabilities found in Google App Engine

Serious vulnerabilities exist in Google App Engine (GAE), a cloud service for developing and hosting Web applications, a team of security researchers has found. The vulnerabilities could allow an attacker to escape from the Java Virtual Machine security sandbox and execute code on the underlying system, according to researchers from Security Explorations, a Polish security firm that found many vulnerabilities in Java over the past...

blog.opencorporates.com blog.opencorporates.com

Announcing Who Controls It: a proof-of-concept beneficial ownership register

Beneficial Ownership is a terrible expression. Outside of the NGO and anti-money-laundering community, nobody knows what it means, or why it’s important. In fact the UK now refers to this information as Persons of Significant Control, which is another bit of jargon, but does a slightly better job of explaining what we mean – which is to be able to answer the central question about any company that you are thinking of doing business...