Oracle Database In-Memory

Oracle Database In-Memory is an optional add-on to Oracle Database 12c that enables Oracle's flagship relational software to function as an in-memory database.

This Content Component encountered an error

Oracle Database In-Memory is an optional add-on to Oracle Database 12c that enables Oracle's flagship relational software to function as an in-memory database.

Storing data in a server's main memory instead of on disk lets in-memory databases facilitate faster response times to database queries by avoiding the I/O latency that results from having to pull the required data off of a disk drive. Oracle Database In-Memory is designed to accelerate 12c's performance in analytics, reporting and online transaction processing (OLTP) applications alike.

The in-memory technology supports a dual-format approach to storing data in 12c databases. All data is maintained in the existing row-based format on disk for OLTP operations, but database administrators can select subsets of the information to also be kept in a columnar data store cached in memory. That speeds the processing of typical analytical queries by 100 times or more, Oracle claims. Furthermore, the in-memory technology removes the need to create and update analytical indexes that could slow down OLTP performance. As a result, Oracle says, Oracle Database In-Memory enables users to do ad hoc analysis on live transactional data while still improving OLTP speeds.

All applications that run on Oracle Database 12c can automatically use in-memory without modifications. Oracle Database In-Memory also works transparently with all of 12c's management tools, including security, reliability, scalability and high availability technologies.

Oracle also offers a standalone in-memory database called Oracle TimesTen for specialized uses. Oracle released Oracle Database In-Memory in July 2014. The technology's development was part of a broader trend to incorporate in-memory processing capabilities into mainstream relational databases. It started with SAP's introduction of its HANA in-memory appliance in May 2010. Oracle, Microsoft and IBM have since built in-memory functionality into their SQL Server 2014 and DB2 databases, respectively.

This was first published in August 2014

Continue Reading About Oracle Database In-Memory

Glossary

'Oracle Database In-Memory' is part of the:

View All Definitions

Dig deeper on Oracle database design and architecture

Pro+

Features

Enjoy the benefits of Pro+ membership, learn more and join.

0 comments

Oldest 

Forgot Password?

No problem! Submit your e-mail address below. We'll send you an email containing your password.

Your password has been sent to:

-ADS BY GOOGLE

File Extensions and File Formats

Powered by:

SearchDataManagement

SearchBusinessAnalytics

SearchSAP

SearchSQLServer

TheServerSide

SearchDataCenter

SearchContentManagement

SearchFinancialApplications

Close