Do in-Memory Databases Offer Anything New?

Abstract

In-memory databases are not new. However, the technology has received a lot of renewed attention recently from both the press and vendor community as they attempt to widen the technical appeal of in memory.

Table of Contents

• Executive summary
• In a nutshell
• The Ovum view
• The two perspectives of in-memory
• Overview
• High-speed information throughput
• On-the-fly analysis and reporting
• Why is in-memory so much faster?
• A lower I/O burden
• The difference between database caching and in-memory
• On-disk databases are still here to stay
• In-memory databases - what has changed?
• A technology with a long pedigree
• Hardware advances can make the difference
• Cost, performance and functionality benefits will spur uptake
• More scalable, low latency and cheaper
• Improved price performance
• 64-bit computing and massive parallelism
• Analysis at the ‘speed of thought'
• A consolidating market landscape
• No longer the preserve of a few small specialist vendors
• QlikTech
• SAP Business Explorer
• IBM Cognos TM1
• Microsoft Gemini
• IBM SolidDB
• Tibco Spotfire
• Coral8 and Aleri
• Oracle TimesTen