Oracle Essentials - Oracle Database 11g by R. Greenwald, et. al.,

By R. Greenwald, et. al.,

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By 1985, Oracle claimed the ability to run on more than 30 platforms. Some of these platforms are historical curiosities today, but others remain in use. ) Oracle was able to leverage and accelerate the growth of minicomputers and Unix servers in the 1980s. Today, Oracle also leverages this portability to operating systems such as Microsoft Windows and Linux. In addition to multiple platform support, other core Oracle messages from the mid-1980s still ring true today, including complementary software development and decision support (business intelligence) tools, ANSI standard SQL across platforms, and connectivity over standard networks.

Optionally, Oracle also offers a data integration tool, Oracle Data Integrator (ODI), that is not as Oracle database-centric as OWB (although the Oracle database can be a source and/or target). Oracle Data Integrator is based on a product and company that Oracle acquired named Sunopsis. In addition to providing ETL capabilities, ODI can generate code as web services for SOA deployment and is a key part of Oracle's SOA integration strategy. Database Performance Features Oracle includes several features specifically designed to boost performance in certain situations.

OID replaced Oracle Names used in prior database releases since it gives users a way to connect to an Oracle Server without having a client-side configuration file. OID is an LDAP (Lightweight Directory Access Protocol) directory and so it supports Oracle Net and other LDAP-enabled protocols. Oracle Connection Manager Each connection to the database takes up valuable network resources, which can impact the overall performance of a database application. Oracle's Connection Manager (CMAN), illustrated in Figure 1-3, reduces the number of Oracle Net client network connections to the database through the use of concentrators, which provide connection multiplexing to implement multiple connections over a single network connection.

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