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Database technologies

ESG provide the outsourcing of all Database technologies. Some examples are below. Contact us to learn more.

Some of the Database technologies in which ESG are expert in the outsourcing of:


The Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system produced and marketed by Oracle Corporation.

Oracle Database Architecture

An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. A database server is the key to solving the problems of information management. In general, a server reliably manages a large amount of data in a multiuser environment so that many users can concurrently access the same data. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery.

Oracle Database is the first database designed for enterprise grid computing, the most flexible and cost effective way to manage information and applications. Enterprise grid computing creates large pools of industry-standard, modular storage and servers. With this architecture, each new system can be rapidly provisioned from the pool of components. There is no need for peak workloads, because capacity can be easily added or reallocated from the resource pools as needed.

The database has logical structures and physical structures. Because the physical and logical structures are separate, the physical storage of data can be managed without affecting the access to logical storage structures.

Advantages of Oracle Database

  • Robust Administration, Tuning and Management: Content stored in the database can be directly linked with associated data. Metadata and content are maintained in sync; they are managed under transactional control. The database also offers robust services for backup, recovery, physical and logical tuning.
  • Simplicity of Application Development: Oracle's support for a specific type of content includes SQL language extensions, PL/SQL and JAVA APIs, Xpath and Xquery (in the case of XML) and, in many cases, JSP Tag Libraries, as well as algorithms that perform common or valuable operations through built in operators.
  • High Availability: Oracle's Maximum Availability Architecture makes "zero data-loss" configurations possible for all data. Unlike common configurations where attribute information is stored in the database with pointers to unstructured data in files, only a single recovery procedure is required in the event of failure.
  • Scalable Architecture: In many cases, the ability to index, partition, and perform operations through triggers, view processing, or table and database level parameters allows for dramatically larger datasets to be supported by applications that are built on the database rather than on file systems.
  • Security: Oracle Database allows for fine-grained (row level and column level) security. The same security mechanisms are used for all forms of information. When using many file systems, directory services do not allow fine-grained levels of access control. It may not be possible to restrict access to individual users; in many systems enabling a user to access any content in the directory gives access to all content in the directory
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