#ORACLE DATABASE INMEMORY LICENSE#

Either within the table or with reference tables. The informational need that is beneficial for usageР’В of the Oracle Database In-Memory option is the usage of lots of calculations over columns and rows. Usage of analytical functions over columns.Oracle Database In-Memory could also be beneficial for joining data to several other tables via lookup of reference data. The columns need to be related to each other and have a significant data value for grouping, counting and other analytical functions.

The data must consist of a vast numberР’В of columns. For smaller numbersР’В the difference is hardly noticeable compared to the financial investment involved. This starts with tables containing a huge amount ofР’В records (500k+). To use the Oracle DatabaseР’В In-Memory feature you need to have a significant amount of data. The numbers below are rules of thumb, please donРІР‚в„ўtР’В consider them as strict borders. Preconditions for optimal usage of the Oracle Database In-Memory option are databases containing data warehouse comparable data structures with preferably column oriented calculations and functions. There are specific situations where Oracle Database In-Memory can be optimal for usage. There is not so much difference in performance for querying and filtering rows in a table where the index can be used. It is most effective for data warehouse solutions in tables with a significant amount of data using a lot of columns. The Oracle Database In-Memory does not load all the data in the memory as to make everything faster. Preconditions for Oracle Database In-Memory To activate this feature youР’В just have to apply minor definition changes in some tables. The most important advantage for implementing this feature is the fact there is no need for changes in the application code. In both data / machine size as in investment in development / operations. In any situation for Oracle Database In-MemoryР’В we must assume we are talking about a large system. The numbers for this case depend heavily on the machine size and application architecture. Looking at the financial business case for Oracle Database In-MemoryР’В you need to consider several man-monthsР’В of savings in consulting fees or the avoidance of considerable investment in other data optimization or BI tooling.

The claimed performance increase by Oracle (in some cases 1000 times faster) is tested in optimal situations. Or it has to deliver a significant advantage in performance reducing the amount of servers / CPU needed for the specific functionality. So from a financial viewpoint it has to deliver a significant advantage in development time or maintenance.

#ORACLE DATABASE INMEMORY LICENSE#

The license costs for the Oracle Database In-Memory feature are significant. Oracle database in-Memory when to use it Financial considerations In this article I will state a couple of situations where the usage of Oracle Database In-Memory will be advisable. It is advisable to consult an expert before investing in this feature since the benefits are depending on a lot of variables. This post will answer the question: РІР‚Сљwhat would be an optimal situation for using the Oracle Database In-Memory feature?РІР‚Сњ The most predictable answer for these kind of questions is РІР‚Сљit dependsРІР‚Сњ. Oracle Database In-Memory can result in huge improvement in application query performance. The application and usage of the Oracle Database In-Memory has been described by Pom Bleeksma in this post.

Oracle database inmemory