Database New favorite IMDB

database new favorite IMDB

Wen/Hua Chunchun

What is IMDB. The IMDb here is not a favorite movie--the Internet Movie Database (IMDb), but in-memory database--memory databases.

What are the advantages of IMDB? Why do you say TA is the new favorite database. Here, I will talk about the eldest brother in the IMDb-timesten IMDB.

Here is a reference to the ready-made TimesTen introduction:

TimesTen originated in the HP Lab in 1992, when the main purpose was to conduct some in-depth research on telecommunications network applications, using memory database technology, and in 1996, the core of the team established an independent operating company, And in 1996 released TimesTen first commercial version (TimesTen2.0), 2001, the product added cache connect components, and products can be seamless integration with Oracle, the 2005 by Oracle acquisition, so far, The product has a history of 15 years, with as many as 11 major releases produced, before TimesTen was acquired, TimesTen had 1500+ corporate users worldwide (e.g. Ericsson, CISCO, Amdocs, JPMorgan, Avaya, etc.).

OK, see the above I paste over the introduction (Don't bs me, this introduction writes very well, so, directly borrowed).

You have found that many of the cattle b fork of the enterprise, have opted for the IMDB, it seems that no IMDB is not the world's leading enterprises-whether it feels a bit like a label into the upper class.

Why first-class enterprise all use IMDB. For a lot of reasons, let's take care of IMDB's main attraction-speed. Because IMDB can go far beyond the traditional database products (such as Oracle, SQL Server, etc.), these top companies in various fields will choose TA to maintain their top position.

Here, I quote the introduction of the speed aspect again:

Oracle TimesTen in-memory Database eliminates context switching and unnecessary network operations by embedding the application library inside the application, greatly improving data access performance, and optimizing data structures and access algorithms by managing the information in memory and accordingly Compared with the traditional hard disk based relational database, even if the data to be accessed from the hard disk to the memory of the relational database (such as data buffer of Oracle SGA), the TimesTen has a significant improvement both in response and throughput rate. Real-time data management has two performance dimensions-response times and parallel throughput rates. With the Oracle timesten in-memory database, transactions that read a record of the databases will take less than 9 microseconds (1 microseconds equals 1 million per second), while the transaction that updates or inserts a record will take less than 28 microseconds. As a result, even on systems with very few processors, throughput rates are tens to 100,000 of transactions per second.

The above mentioned Timeten IMDB is preceded by Oracle, which means that this is related to Oracle, yes. The introduction of Timeten has already referred to the "2005 takeover by Oracle". It is important to realize the integration of traditional database applications such as Timeten and Oracle.

Any new software products or technologies widely used, it is impossible to put aside the traditional products and investment, must be seamless with existing assets to connect and continue to achieve a smooth transition. Timeten IMDB enables seamless integration with Oracle without coding to achieve bidirectional synchronization with Oracle.

Cache Connect to Oracle is an option for Oracle TimesTen in-memory database to create real-time, updatable caches of Oracle data located in the application tier. Eliminates the computational burden of back-end systems and supports responsive and scalable real-time applications. Cache Connect to Oracle can load a subset of Oracle data (tables or tables, and all or part of the table's data) into TimesTen without any coding to enable bidirectional data synchronization updates to achieve seamless integration with Oracle.

In order not to write the product brochure, here, I write a brief timeten IMDB other highlights:

full support for Oracle RAC Cluster technology with transparent transformations -ensuring downtime at any RAC node, your application will be switched on time and no waiting is required.

An internationally patented micrologging® memory data engine that protects itself from application process failures.

I personally estimate that IMDB in the domestic telecommunications, financial and other industries that require high real-time, will be used first. With the reduction of hardware and software costs, technological progress will gradually be extended to various industries.

IMDB is now not as widely used as the traditional database, the data is not much, so there is still a lot of hope for the leader, more information, can be in the official Oracle Web site inquiries and learning: http://www.oracle.com/technology/global/ Cn/products/timesten/index.html

Oracle database has a lot of new information and trial products can now be downloaded from the website:

Http://wmdata.com.cn/oracle/iwom-DBO/index.asp?frm=metababy